Home / 98,910,073.14-136,493,867.55-54,849,961.92

Finding the Fourth Proportional to 98,910,073.14, 136,493,867.55 and 54,849,961.92

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Solution

The fourth proportional to 98,910,073.14, 136,493,867.55 and 54,849,961.92 is: 75,691,819.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,910,073.14 : 136,493,867.55 = 54,849,961.92 : x
  2. Step 2: Convert to fraction form
    98,910,073.14/136,493,867.55 = 54,849,961.92/x
  3. Step 3: Cross multiply
    98,910,073.14x = 136,493,867.55 × 54,849,961.92
  4. Step 4: Simplify right side
    98,910,073.14x = 7,486,683,437,431,025
  5. Step 5: Solve for x
    x = 7,486,683,437,431,025/98,910,073.14
  6. Step 6: Final answer
    x = 75,691,819.85

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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.