Finding the Fourth Proportional to 247,572,400.08, 341,642,687.31 and 141,722,306.70
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Solution
The fourth proportional to 247,572,400.08, 341,642,687.31 and 141,722,306.70 is: 195,572,647.42
Step by Step Solution
- Step 1: Write the proportion equation
247,572,400.08 : 341,642,687.31 = 141,722,306.70 : x - Step 2: Convert to fraction form
247,572,400.08/341,642,687.31 = 141,722,306.70/x - Step 3: Cross multiply
247,572,400.08x = 341,642,687.31 × 141,722,306.70 - Step 4: Simplify right side
247,572,400.08x = 48,418,389,712,760,016 - Step 5: Solve for x
x = 48,418,389,712,760,016/247,572,400.08 - Step 6: Final answer
x = 195,572,647.42
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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.