Home / 219,791,180.87-329,616,775.17-72,204,482.82

Finding the Fourth Proportional to 219,791,180.87, 329,616,775.17 and 72,204,482.82

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Solution

The fourth proportional to 219,791,180.87, 329,616,775.17 and 72,204,482.82 is: 108,283,729.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,791,180.87 : 329,616,775.17 = 72,204,482.82 : x
  2. Step 2: Convert to fraction form
    219,791,180.87/329,616,775.17 = 72,204,482.82/x
  3. Step 3: Cross multiply
    219,791,180.87x = 329,616,775.17 × 72,204,482.82
  4. Step 4: Simplify right side
    219,791,180.87x = 23,799,808,779,946,068
  5. Step 5: Solve for x
    x = 23,799,808,779,946,068/219,791,180.87
  6. Step 6: Final answer
    x = 108,283,729.52

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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.