Home / 220,192,930.80-330,541,338.60-129,367,695.60

Finding the Fourth Proportional to 220,192,930.80, 330,541,338.60 and 129,367,695.60

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Solution

The fourth proportional to 220,192,930.80, 330,541,338.60 and 129,367,695.60 is: 194,199,564.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,192,930.80 : 330,541,338.60 = 129,367,695.60 : x
  2. Step 2: Convert to fraction form
    220,192,930.80/330,541,338.60 = 129,367,695.60/x
  3. Step 3: Cross multiply
    220,192,930.80x = 330,541,338.60 × 129,367,695.60
  4. Step 4: Simplify right side
    220,192,930.80x = 42,761,371,275,221,328
  5. Step 5: Solve for x
    x = 42,761,371,275,221,328/220,192,930.80
  6. Step 6: Final answer
    x = 194,199,564.54

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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.