Home / 217,005,748.20-325,544,489.10-100,537,500.60

Finding the Fourth Proportional to 217,005,748.20, 325,544,489.10 and 100,537,500.60

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Solution

The fourth proportional to 217,005,748.20, 325,544,489.10 and 100,537,500.60 is: 150,822,867.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,005,748.20 : 325,544,489.10 = 100,537,500.60 : x
  2. Step 2: Convert to fraction form
    217,005,748.20/325,544,489.10 = 100,537,500.60/x
  3. Step 3: Cross multiply
    217,005,748.20x = 325,544,489.10 × 100,537,500.60
  4. Step 4: Simplify right side
    217,005,748.20x = 32,729,429,268,217,944
  5. Step 5: Solve for x
    x = 32,729,429,268,217,944/217,005,748.20
  6. Step 6: Final answer
    x = 150,822,867.78

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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.