Home / 139,752,028.38-192,872,150.28-84,015,492.96

Finding the Fourth Proportional to 139,752,028.38, 192,872,150.28 and 84,015,492.96

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Solution

The fourth proportional to 139,752,028.38, 192,872,150.28 and 84,015,492.96 is: 115,950,007.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,752,028.38 : 192,872,150.28 = 84,015,492.96 : x
  2. Step 2: Convert to fraction form
    139,752,028.38/192,872,150.28 = 84,015,492.96/x
  3. Step 3: Cross multiply
    139,752,028.38x = 192,872,150.28 × 84,015,492.96
  4. Step 4: Simplify right side
    139,752,028.38x = 16,204,248,784,029,400
  5. Step 5: Solve for x
    x = 16,204,248,784,029,400/139,752,028.38
  6. Step 6: Final answer
    x = 115,950,007.82

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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.