Home / 106,487,639.30-159,311,183.15-80,654,357.90

Finding the Fourth Proportional to 106,487,639.30, 159,311,183.15 and 80,654,357.90

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Solution

The fourth proportional to 106,487,639.30, 159,311,183.15 and 80,654,357.90 is: 120,663,217.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,487,639.30 : 159,311,183.15 = 80,654,357.90 : x
  2. Step 2: Convert to fraction form
    106,487,639.30/159,311,183.15 = 80,654,357.90/x
  3. Step 3: Cross multiply
    106,487,639.30x = 159,311,183.15 × 80,654,357.90
  4. Step 4: Simplify right side
    106,487,639.30x = 12,849,141,182,052,722
  5. Step 5: Solve for x
    x = 12,849,141,182,052,722/106,487,639.30
  6. Step 6: Final answer
    x = 120,663,217.51

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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.