Finding the Fourth Proportional to 87,432,004.10, 131,227,321.35 and 44,331,191.30
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Solution
The fourth proportional to 87,432,004.10, 131,227,321.35 and 44,331,191.30 is: 66,537,002.63
Step by Step Solution
- Step 1: Write the proportion equation
87,432,004.10 : 131,227,321.35 = 44,331,191.30 : x - Step 2: Convert to fraction form
87,432,004.10/131,227,321.35 = 44,331,191.30/x - Step 3: Cross multiply
87,432,004.10x = 131,227,321.35 × 44,331,191.30 - Step 4: Simplify right side
87,432,004.10x = 5,817,463,486,553,424 - Step 5: Solve for x
x = 5,817,463,486,553,424/87,432,004.10 - Step 6: Final answer
x = 66,537,002.63
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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.