Finding the Fourth Proportional to 69,038,151.09, 103,554,704.33 and 20,514,743.75
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Solution
The fourth proportional to 69,038,151.09, 103,554,704.33 and 20,514,743.75 is: 30,771,366.11
Step by Step Solution
- Step 1: Write the proportion equation
69,038,151.09 : 103,554,704.33 = 20,514,743.75 : x - Step 2: Convert to fraction form
69,038,151.09/103,554,704.33 = 20,514,743.75/x - Step 3: Cross multiply
69,038,151.09x = 103,554,704.33 × 20,514,743.75 - Step 4: Simplify right side
69,038,151.09x = 2,124,398,222,816,618.25 - Step 5: Solve for x
x = 2,124,398,222,816,618.25/69,038,151.09 - Step 6: Final answer
x = 30,771,366.11
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.