Home / 120,002,671.65-180,002,695.27-29,126,260.65

Finding the Fourth Proportional to 120,002,671.65, 180,002,695.27 and 29,126,260.65

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Solution

The fourth proportional to 120,002,671.65, 180,002,695.27 and 29,126,260.65 is: 43,689,072.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,002,671.65 : 180,002,695.27 = 29,126,260.65 : x
  2. Step 2: Convert to fraction form
    120,002,671.65/180,002,695.27 = 29,126,260.65/x
  3. Step 3: Cross multiply
    120,002,671.65x = 180,002,695.27 × 29,126,260.65
  4. Step 4: Simplify right side
    120,002,671.65x = 5,242,805,420,136,542
  5. Step 5: Solve for x
    x = 5,242,805,420,136,542/120,002,671.65
  6. Step 6: Final answer
    x = 43,689,072.49

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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.