Home / 220,481,095.92-330,499,324.08-138,658,449.60

Finding the Fourth Proportional to 220,481,095.92, 330,499,324.08 and 138,658,449.60

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Solution

The fourth proportional to 220,481,095.92, 330,499,324.08 and 138,658,449.60 is: 207,847,859.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,481,095.92 : 330,499,324.08 = 138,658,449.60 : x
  2. Step 2: Convert to fraction form
    220,481,095.92/330,499,324.08 = 138,658,449.60/x
  3. Step 3: Cross multiply
    220,481,095.92x = 330,499,324.08 × 138,658,449.60
  4. Step 4: Simplify right side
    220,481,095.92x = 45,826,523,870,780,744
  5. Step 5: Solve for x
    x = 45,826,523,870,780,744/220,481,095.92
  6. Step 6: Final answer
    x = 207,847,859.61

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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.