Finding the Fourth Proportional to 208,861,217.44, 288,165,624.24 and 125,198,822.24
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Solution
The fourth proportional to 208,861,217.44, 288,165,624.24 and 125,198,822.24 is: 172,736,696.68
Step by Step Solution
- Step 1: Write the proportion equation
208,861,217.44 : 288,165,624.24 = 125,198,822.24 : x - Step 2: Convert to fraction form
208,861,217.44/288,165,624.24 = 125,198,822.24/x - Step 3: Cross multiply
208,861,217.44x = 288,165,624.24 × 125,198,822.24 - Step 4: Simplify right side
208,861,217.44x = 36,077,996,764,902,392 - Step 5: Solve for x
x = 36,077,996,764,902,392/208,861,217.44 - Step 6: Final answer
x = 172,736,696.68
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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.