Home / 165,363,411.87-247,891,787.24-73,198,010.61

Finding the Fourth Proportional to 165,363,411.87, 247,891,787.24 and 73,198,010.61

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Solution

The fourth proportional to 165,363,411.87, 247,891,787.24 and 73,198,010.61 is: 109,729,144.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,363,411.87 : 247,891,787.24 = 73,198,010.61 : x
  2. Step 2: Convert to fraction form
    165,363,411.87/247,891,787.24 = 73,198,010.61/x
  3. Step 3: Cross multiply
    165,363,411.87x = 247,891,787.24 × 73,198,010.61
  4. Step 4: Simplify right side
    165,363,411.87x = 18,145,185,672,159,392
  5. Step 5: Solve for x
    x = 18,145,185,672,159,392/165,363,411.87
  6. Step 6: Final answer
    x = 109,729,144.23

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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.