Finding the Fourth Proportional to 81,070,902.05, 121,581,202.29 and 29,248,767.92
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Solution
The fourth proportional to 81,070,902.05, 121,581,202.29 and 29,248,767.92 is: 43,864,077.97
Step by Step Solution
- Step 1: Write the proportion equation
81,070,902.05 : 121,581,202.29 = 29,248,767.92 : x - Step 2: Convert to fraction form
81,070,902.05/121,581,202.29 = 29,248,767.92/x - Step 3: Cross multiply
81,070,902.05x = 121,581,202.29 × 29,248,767.92 - Step 4: Simplify right side
81,070,902.05x = 3,556,100,368,606,876.50 - Step 5: Solve for x
x = 3,556,100,368,606,876.50/81,070,902.05 - Step 6: Final answer
x = 43,864,077.97
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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.