Home / 125,378,028.54-187,981,185.69-63,848,082.78

Finding the Fourth Proportional to 125,378,028.54, 187,981,185.69 and 63,848,082.78

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Solution

The fourth proportional to 125,378,028.54, 187,981,185.69 and 63,848,082.78 is: 95,728,401.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,378,028.54 : 187,981,185.69 = 63,848,082.78 : x
  2. Step 2: Convert to fraction form
    125,378,028.54/187,981,185.69 = 63,848,082.78/x
  3. Step 3: Cross multiply
    125,378,028.54x = 187,981,185.69 × 63,848,082.78
  4. Step 4: Simplify right side
    125,378,028.54x = 12,002,238,305,017,672
  5. Step 5: Solve for x
    x = 12,002,238,305,017,672/125,378,028.54
  6. Step 6: Final answer
    x = 95,728,401.90

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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.