Home / 146,679,289.20-220,018,974.58-54,550,990

Finding the Fourth Proportional to 146,679,289.20, 220,018,974.58 and 54,550,990

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Solution

The fourth proportional to 146,679,289.20, 220,018,974.58 and 54,550,990 is: 81,826,500.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,679,289.20 : 220,018,974.58 = 54,550,990 : x
  2. Step 2: Convert to fraction form
    146,679,289.20/220,018,974.58 = 54,550,990/x
  3. Step 3: Cross multiply
    146,679,289.20x = 220,018,974.58 × 54,550,990
  4. Step 4: Simplify right side
    146,679,289.20x = 12,002,252,882,123,834
  5. Step 5: Solve for x
    x = 12,002,252,882,123,834/146,679,289.20
  6. Step 6: Final answer
    x = 81,826,500.17

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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.