Finding the Fourth Proportional to 252,672,115.92, 348,689,923.92 and 148,251,963.84
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Solution
The fourth proportional to 252,672,115.92, 348,689,923.92 and 148,251,963.84 is: 204,589,120.58
Step by Step Solution
- Step 1: Write the proportion equation
252,672,115.92 : 348,689,923.92 = 148,251,963.84 : x - Step 2: Convert to fraction form
252,672,115.92/348,689,923.92 = 148,251,963.84/x - Step 3: Cross multiply
252,672,115.92x = 348,689,923.92 × 148,251,963.84 - Step 4: Simplify right side
252,672,115.92x = 51,693,965,992,360,192 - Step 5: Solve for x
x = 51,693,965,992,360,192/252,672,115.92 - Step 6: Final answer
x = 204,589,120.58
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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.