Finding the Fourth Proportional to 63,138,458.70, 87,131,335.41 and 34,165,082.70
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Solution
The fourth proportional to 63,138,458.70, 87,131,335.41 and 34,165,082.70 is: 47,147,956.12
Step by Step Solution
- Step 1: Write the proportion equation
63,138,458.70 : 87,131,335.41 = 34,165,082.70 : x - Step 2: Convert to fraction form
63,138,458.70/87,131,335.41 = 34,165,082.70/x - Step 3: Cross multiply
63,138,458.70x = 87,131,335.41 × 34,165,082.70 - Step 4: Simplify right side
63,138,458.70x = 2,976,849,280,044,088.50 - Step 5: Solve for x
x = 2,976,849,280,044,088.50/63,138,458.70 - Step 6: Final answer
x = 47,147,956.12
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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.