Finding the Fourth Proportional to 247,102,508.28, 341,000,525.67 and 135,595,214.76
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Solution
The fourth proportional to 247,102,508.28, 341,000,525.67 and 135,595,214.76 is: 187,120,882.88
Step by Step Solution
- Step 1: Write the proportion equation
247,102,508.28 : 341,000,525.67 = 135,595,214.76 : x - Step 2: Convert to fraction form
247,102,508.28/341,000,525.67 = 135,595,214.76/x - Step 3: Cross multiply
247,102,508.28x = 341,000,525.67 × 135,595,214.76 - Step 4: Simplify right side
247,102,508.28x = 46,238,039,511,496,544 - Step 5: Solve for x
x = 46,238,039,511,496,544/247,102,508.28 - Step 6: Final answer
x = 187,120,882.88
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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.