Finding the Fourth Proportional to 73,609,751.10, 101,577,311.28 and 40,569,900.12
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Solution
The fourth proportional to 73,609,751.10, 101,577,311.28 and 40,569,900.12 is: 55,984,177.52
Step by Step Solution
- Step 1: Write the proportion equation
73,609,751.10 : 101,577,311.28 = 40,569,900.12 : x - Step 2: Convert to fraction form
73,609,751.10/101,577,311.28 = 40,569,900.12/x - Step 3: Cross multiply
73,609,751.10x = 101,577,311.28 × 40,569,900.12 - Step 4: Simplify right side
73,609,751.10x = 4,120,981,373,087,749 - Step 5: Solve for x
x = 4,120,981,373,087,749/73,609,751.10 - Step 6: Final answer
x = 55,984,177.52
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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.