Finding the Fourth Proportional to 272,975,613.84, 409,463,421.84 and 91,222,791.84
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Solution
The fourth proportional to 272,975,613.84, 409,463,421.84 and 91,222,791.84 is: 136,834,188.12
Step by Step Solution
- Step 1: Write the proportion equation
272,975,613.84 : 409,463,421.84 = 91,222,791.84 : x - Step 2: Convert to fraction form
272,975,613.84/409,463,421.84 = 91,222,791.84/x - Step 3: Cross multiply
272,975,613.84x = 409,463,421.84 × 91,222,791.84 - Step 4: Simplify right side
272,975,613.84x = 37,352,396,496,604,432 - Step 5: Solve for x
x = 37,352,396,496,604,432/272,975,613.84 - Step 6: Final answer
x = 136,834,188.12
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.