Finding the Fourth Proportional to 81,070,901.30, 121,581,201.16 and 29,248,767.17
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Solution
The fourth proportional to 81,070,901.30, 121,581,201.16 and 29,248,767.17 is: 43,864,076.84
Step by Step Solution
- Step 1: Write the proportion equation
81,070,901.30 : 121,581,201.16 = 29,248,767.17 : x - Step 2: Convert to fraction form
81,070,901.30/121,581,201.16 = 29,248,767.17/x - Step 3: Cross multiply
81,070,901.30x = 121,581,201.16 × 29,248,767.17 - Step 4: Simplify right side
81,070,901.30x = 3,556,100,244,296,746 - Step 5: Solve for x
x = 3,556,100,244,296,746/81,070,901.30 - Step 6: Final answer
x = 43,864,076.84
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.