Finding the Fourth Proportional to 71,765,385.92, 99,165,779.92 and 51,102,959.84
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Solution
The fourth proportional to 71,765,385.92, 99,165,779.92 and 51,102,959.84 is: 70,614,333.13
Step by Step Solution
- Step 1: Write the proportion equation
71,765,385.92 : 99,165,779.92 = 51,102,959.84 : x - Step 2: Convert to fraction form
71,765,385.92/99,165,779.92 = 51,102,959.84/x - Step 3: Cross multiply
71,765,385.92x = 99,165,779.92 × 51,102,959.84 - Step 4: Simplify right side
71,765,385.92x = 5,067,664,868,754,039 - Step 5: Solve for x
x = 5,067,664,868,754,039/71,765,385.92 - Step 6: Final answer
x = 70,614,333.13
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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.