Finding the Fourth Proportional to 61,784,130.29, 92,691,178.82 and 18,650,757.11
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Solution
The fourth proportional to 61,784,130.29, 92,691,178.82 and 18,650,757.11 is: 27,980,658.69
Step by Step Solution
- Step 1: Write the proportion equation
61,784,130.29 : 92,691,178.82 = 18,650,757.11 : x - Step 2: Convert to fraction form
61,784,130.29/92,691,178.82 = 18,650,757.11/x - Step 3: Cross multiply
61,784,130.29x = 92,691,178.82 × 18,650,757.11 - Step 4: Simplify right side
61,784,130.29x = 1,728,760,662,318,142.50 - Step 5: Solve for x
x = 1,728,760,662,318,142.50/61,784,130.29 - Step 6: Final answer
x = 27,980,658.69
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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.