Finding the Fourth Proportional to 120,891,916.18, 181,337,763.45 and 37,894,265.62
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Solution
The fourth proportional to 120,891,916.18, 181,337,763.45 and 37,894,265.62 is: 56,841,363.69
Step by Step Solution
- Step 1: Write the proportion equation
120,891,916.18 : 181,337,763.45 = 37,894,265.62 : x - Step 2: Convert to fraction form
120,891,916.18/181,337,763.45 = 37,894,265.62/x - Step 3: Cross multiply
120,891,916.18x = 181,337,763.45 × 37,894,265.62 - Step 4: Simplify right side
120,891,916.18x = 6,871,661,375,111,027 - Step 5: Solve for x
x = 6,871,661,375,111,027/120,891,916.18 - Step 6: Final answer
x = 56,841,363.69
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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.