Home / 149,471,898.45-224,207,847.68-128,665,983.30

Finding the Fourth Proportional to 149,471,898.45, 224,207,847.68 and 128,665,983.30

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Solution

The fourth proportional to 149,471,898.45, 224,207,847.68 and 128,665,983.30 is: 192,998,974.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,471,898.45 : 224,207,847.68 = 128,665,983.30 : x
  2. Step 2: Convert to fraction form
    149,471,898.45/224,207,847.68 = 128,665,983.30/x
  3. Step 3: Cross multiply
    149,471,898.45x = 224,207,847.68 × 128,665,983.30
  4. Step 4: Simplify right side
    149,471,898.45x = 28,847,923,184,680,496
  5. Step 5: Solve for x
    x = 28,847,923,184,680,496/149,471,898.45
  6. Step 6: Final answer
    x = 192,998,974.95

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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.