Home / 87,480,130.10-131,220,195.15-86,976,245.30

Finding the Fourth Proportional to 87,480,130.10, 131,220,195.15 and 86,976,245.30

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Solution

The fourth proportional to 87,480,130.10, 131,220,195.15 and 86,976,245.30 is: 130,464,367.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,480,130.10 : 131,220,195.15 = 86,976,245.30 : x
  2. Step 2: Convert to fraction form
    87,480,130.10/131,220,195.15 = 86,976,245.30/x
  3. Step 3: Cross multiply
    87,480,130.10x = 131,220,195.15 × 86,976,245.30
  4. Step 4: Simplify right side
    87,480,130.10x = 11,413,039,881,680,270
  5. Step 5: Solve for x
    x = 11,413,039,881,680,270/87,480,130.10
  6. Step 6: Final answer
    x = 130,464,367.95

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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.