A ratio of 18 to 99 can be written as 18 to 99, 18:99, or 18/99. Furthermore, 18 and 99 can be the quantity or measurement of anything, such as students, fruit, weights, heights, speed and so on.
A ratio of 18 to 99 simply means that for every 18 of something, there are 99 of something else, with a total of 117.
In the box below, you can enter a number in either box and we will calculate the other number to keep the ratio of 18 to 99. In other words, we will calculate the corresponding equivalent ratio of 18:99 for you.
To calculate the left side of the ratio, our calculator multiplies the right side by 18 and then divides the product by 99. To calculate the right side of the ratio, our calculator multiplies the left side by 99 and then divides the product by 18. Answers are rounded to two decimals if necessary.
Below is a list of equivalent ratios of 18:99 that we created using our 18:99 ratio calculator above.
2:11
4:22
6:33
8:44
10:55
12:66
14:77
16:88
18:99
20:110
22:121
24:132
We have also created a pie chart for you to put 18:99 ratio in perspective. To do so, we divided a pie into 117 pieces and then colored 18 pieces green and 99 pieces blue. The pie will look exactly the same using any equivalent ratio of 18:99.
The green part of the pie covers 15.38% and the blue part covers 84.62%. To calculate the percentages, we divided each side of the ratio by its total and then multiplied by 100, like this:
(18 / 117)×100 ≈ 15.38
(99 / 117)×100 ≈ 84.62
In fractional terms, 18/99 of the pie above is colored in green. This means that the ratio of 18 to 99 or 18:99 can also be expressed as a fraction, where the 18 to the left of the colon is the numerator and the 99 to the right of the colon is the denominator:
18:99 = 18/99
Ratio is often used when defining rectangles in width:height format. Width and height can be feet, inches, centimeters, or any other kind of length. With a ratio of 18 to 99, the width is 18 and the height is 99. Below is a picture of what a rectangle with a ratio of 18:99 looks like.
Since the simplest form of the fraction 18/99 is 2/11, the simplest form of the ratio 18:99 is also 2:11.
Ratio Calculator
Need information about another ratio? Here you can submit another ratio for us to explain.
Ratio of 19 to 1
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