Home / 130,385,023.20-179,932,764.24-71,647,703.52

Finding the Fourth Proportional to 130,385,023.20, 179,932,764.24 and 71,647,703.52

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Solution

The fourth proportional to 130,385,023.20, 179,932,764.24 and 71,647,703.52 is: 98,874,617.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,385,023.20 : 179,932,764.24 = 71,647,703.52 : x
  2. Step 2: Convert to fraction form
    130,385,023.20/179,932,764.24 = 71,647,703.52/x
  3. Step 3: Cross multiply
    130,385,023.20x = 179,932,764.24 × 71,647,703.52
  4. Step 4: Simplify right side
    130,385,023.20x = 12,891,769,345,801,578
  5. Step 5: Solve for x
    x = 12,891,769,345,801,578/130,385,023.20
  6. Step 6: Final answer
    x = 98,874,617.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.