Finding the Fourth Proportional to 73,215,565.20, 101,037,202.70 and 40,176,367.12
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Solution
The fourth proportional to 73,215,565.20, 101,037,202.70 and 40,176,367.12 is: 55,443,234.47
Step by Step Solution
- Step 1: Write the proportion equation
73,215,565.20 : 101,037,202.70 = 40,176,367.12 : x - Step 2: Convert to fraction form
73,215,565.20/101,037,202.70 = 40,176,367.12/x - Step 3: Cross multiply
73,215,565.20x = 101,037,202.70 × 40,176,367.12 - Step 4: Simplify right side
73,215,565.20x = 4,059,307,748,453,055 - Step 5: Solve for x
x = 4,059,307,748,453,055/73,215,565.20 - Step 6: Final answer
x = 55,443,234.47
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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.