Home / 129,512,234.20-194,240,357.70-56,728,874.20

Finding the Fourth Proportional to 129,512,234.20, 194,240,357.70 and 56,728,874.20

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Solution

The fourth proportional to 129,512,234.20, 194,240,357.70 and 56,728,874.20 is: 85,081,049.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,512,234.20 : 194,240,357.70 = 56,728,874.20 : x
  2. Step 2: Convert to fraction form
    129,512,234.20/194,240,357.70 = 56,728,874.20/x
  3. Step 3: Cross multiply
    129,512,234.20x = 194,240,357.70 × 56,728,874.20
  4. Step 4: Simplify right side
    129,512,234.20x = 11,019,036,816,526,302
  5. Step 5: Solve for x
    x = 11,019,036,816,526,302/129,512,234.20
  6. Step 6: Final answer
    x = 85,081,049.56

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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.