Home / 221,858,442.20-332,149,934.10-135,765,000.20

Finding the Fourth Proportional to 221,858,442.20, 332,149,934.10 and 135,765,000.20

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Solution

The fourth proportional to 221,858,442.20, 332,149,934.10 and 135,765,000.20 is: 203,257,245.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,858,442.20 : 332,149,934.10 = 135,765,000.20 : x
  2. Step 2: Convert to fraction form
    221,858,442.20/332,149,934.10 = 135,765,000.20/x
  3. Step 3: Cross multiply
    221,858,442.20x = 332,149,934.10 × 135,765,000.20
  4. Step 4: Simplify right side
    221,858,442.20x = 45,094,335,869,516,488
  5. Step 5: Solve for x
    x = 45,094,335,869,516,488/221,858,442.20
  6. Step 6: Final answer
    x = 203,257,245.58

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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.