Home / 219,631,778.32-329,363,763.36-74,026,217.20

Finding the Fourth Proportional to 219,631,778.32, 329,363,763.36 and 74,026,217.20

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Solution

The fourth proportional to 219,631,778.32, 329,363,763.36 and 74,026,217.20 is: 111,011,046.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,631,778.32 : 329,363,763.36 = 74,026,217.20 : x
  2. Step 2: Convert to fraction form
    219,631,778.32/329,363,763.36 = 74,026,217.20/x
  3. Step 3: Cross multiply
    219,631,778.32x = 329,363,763.36 × 74,026,217.20
  4. Step 4: Simplify right side
    219,631,778.32x = 24,381,553,484,296,764
  5. Step 5: Solve for x
    x = 24,381,553,484,296,764/219,631,778.32
  6. Step 6: Final answer
    x = 111,011,046.17

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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.