Home / 71,005,981.80-106,508,972.70-58,240,900.20

Finding the Fourth Proportional to 71,005,981.80, 106,508,972.70 and 58,240,900.20

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Solution

The fourth proportional to 71,005,981.80, 106,508,972.70 and 58,240,900.20 is: 87,361,350.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,005,981.80 : 106,508,972.70 = 58,240,900.20 : x
  2. Step 2: Convert to fraction form
    71,005,981.80/106,508,972.70 = 58,240,900.20/x
  3. Step 3: Cross multiply
    71,005,981.80x = 106,508,972.70 × 58,240,900.20
  4. Step 4: Simplify right side
    71,005,981.80x = 6,203,178,449,425,225
  5. Step 5: Solve for x
    x = 6,203,178,449,425,225/71,005,981.80
  6. Step 6: Final answer
    x = 87,361,350.30

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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.