Home / 219,791,179.87-329,616,773.67-72,204,481.82

Finding the Fourth Proportional to 219,791,179.87, 329,616,773.67 and 72,204,481.82

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Solution

The fourth proportional to 219,791,179.87, 329,616,773.67 and 72,204,481.82 is: 108,283,728.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,791,179.87 : 329,616,773.67 = 72,204,481.82 : x
  2. Step 2: Convert to fraction form
    219,791,179.87/329,616,773.67 = 72,204,481.82/x
  3. Step 3: Cross multiply
    219,791,179.87x = 329,616,773.67 × 72,204,481.82
  4. Step 4: Simplify right side
    219,791,179.87x = 23,799,808,342,762,132
  5. Step 5: Solve for x
    x = 23,799,808,342,762,132/219,791,179.87
  6. Step 6: Final answer
    x = 108,283,728.02

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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.