Home / 131,451,972.60-197,195,894.10-54,757,064.70

Finding the Fourth Proportional to 131,451,972.60, 197,195,894.10 and 54,757,064.70

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Solution

The fourth proportional to 131,451,972.60, 197,195,894.10 and 54,757,064.70 is: 82,143,068.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,451,972.60 : 197,195,894.10 = 54,757,064.70 : x
  2. Step 2: Convert to fraction form
    131,451,972.60/197,195,894.10 = 54,757,064.70/x
  3. Step 3: Cross multiply
    131,451,972.60x = 197,195,894.10 × 54,757,064.70
  4. Step 4: Simplify right side
    131,451,972.60x = 10,797,868,331,808,048
  5. Step 5: Solve for x
    x = 10,797,868,331,808,048/131,451,972.60
  6. Step 6: Final answer
    x = 82,143,068.06

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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.