Finding the Fourth Proportional to 68,944,974.95, 95,149,753.34 and 39,581,973.97
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Solution
The fourth proportional to 68,944,974.95, 95,149,753.34 and 39,581,973.97 is: 54,626,389.55
Step by Step Solution
- Step 1: Write the proportion equation
68,944,974.95 : 95,149,753.34 = 39,581,973.97 : x - Step 2: Convert to fraction form
68,944,974.95/95,149,753.34 = 39,581,973.97/x - Step 3: Cross multiply
68,944,974.95x = 95,149,753.34 × 39,581,973.97 - Step 4: Simplify right side
68,944,974.95x = 3,766,215,059,520,016 - Step 5: Solve for x
x = 3,766,215,059,520,016/68,944,974.95 - Step 6: Final answer
x = 54,626,389.55
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.