Home / 219,747,981.11-329,781,398.49-177,131,727.32

Finding the Fourth Proportional to 219,747,981.11, 329,781,398.49 and 177,131,727.32

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Solution

The fourth proportional to 219,747,981.11, 329,781,398.49 and 177,131,727.32 is: 265,826,099.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,747,981.11 : 329,781,398.49 = 177,131,727.32 : x
  2. Step 2: Convert to fraction form
    219,747,981.11/329,781,398.49 = 177,131,727.32/x
  3. Step 3: Cross multiply
    219,747,981.11x = 329,781,398.49 × 177,131,727.32
  4. Step 4: Simplify right side
    219,747,981.11x = 58,414,748,750,890,032
  5. Step 5: Solve for x
    x = 58,414,748,750,890,032/219,747,981.11
  6. Step 6: Final answer
    x = 265,826,099.78

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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.