Finding the Fourth Proportional to 239,974,062.36, 359,979,755.92 and 78,432,327.96
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Solution
The fourth proportional to 239,974,062.36, 359,979,755.92 and 78,432,327.96 is: 117,654,591.49
Step by Step Solution
- Step 1: Write the proportion equation
239,974,062.36 : 359,979,755.92 = 78,432,327.96 : x - Step 2: Convert to fraction form
239,974,062.36/359,979,755.92 = 78,432,327.96/x - Step 3: Cross multiply
239,974,062.36x = 359,979,755.92 × 78,432,327.96 - Step 4: Simplify right side
239,974,062.36x = 28,234,050,275,278,192 - Step 5: Solve for x
x = 28,234,050,275,278,192/239,974,062.36 - Step 6: Final answer
x = 117,654,591.49
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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.