Home / 449,172,002.20-673,758,003.30-108,769,826.20

Finding the Fourth Proportional to 449,172,002.20, 673,758,003.30 and 108,769,826.20

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Solution

The fourth proportional to 449,172,002.20, 673,758,003.30 and 108,769,826.20 is: 163,154,739.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,172,002.20 : 673,758,003.30 = 108,769,826.20 : x
  2. Step 2: Convert to fraction form
    449,172,002.20/673,758,003.30 = 108,769,826.20/x
  3. Step 3: Cross multiply
    449,172,002.20x = 673,758,003.30 × 108,769,826.20
  4. Step 4: Simplify right side
    449,172,002.20x = 73,284,540,919,800,016
  5. Step 5: Solve for x
    x = 73,284,540,919,800,016/449,172,002.20
  6. Step 6: Final answer
    x = 163,154,739.30

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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.