Finding the Fourth Proportional to 217,680,337.26, 300,398,869.08 and 119,895,193.26
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Solution
The fourth proportional to 217,680,337.26, 300,398,869.08 and 119,895,193.26 is: 165,455,368.72
Step by Step Solution
- Step 1: Write the proportion equation
217,680,337.26 : 300,398,869.08 = 119,895,193.26 : x - Step 2: Convert to fraction form
217,680,337.26/300,398,869.08 = 119,895,193.26/x - Step 3: Cross multiply
217,680,337.26x = 300,398,869.08 × 119,895,193.26 - Step 4: Simplify right side
217,680,337.26x = 36,016,380,463,432,040 - Step 5: Solve for x
x = 36,016,380,463,432,040/217,680,337.26 - Step 6: Final answer
x = 165,455,368.72
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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.