Finding the Fourth Proportional to 378,254,107.80, 567,381,161.70 and 132,887,798.10
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Solution
The fourth proportional to 378,254,107.80, 567,381,161.70 and 132,887,798.10 is: 199,331,697.15
Step by Step Solution
- Step 1: Write the proportion equation
378,254,107.80 : 567,381,161.70 = 132,887,798.10 : x - Step 2: Convert to fraction form
378,254,107.80/567,381,161.70 = 132,887,798.10/x - Step 3: Cross multiply
378,254,107.80x = 567,381,161.70 × 132,887,798.10 - Step 4: Simplify right side
378,254,107.80x = 75,398,033,261,733,056 - Step 5: Solve for x
x = 75,398,033,261,733,056/378,254,107.80 - Step 6: Final answer
x = 199,331,697.15
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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.