Home / 125,218,271.20-187,827,406.80-86,954,519.20

Finding the Fourth Proportional to 125,218,271.20, 187,827,406.80 and 86,954,519.20

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Solution

The fourth proportional to 125,218,271.20, 187,827,406.80 and 86,954,519.20 is: 130,431,778.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,218,271.20 : 187,827,406.80 = 86,954,519.20 : x
  2. Step 2: Convert to fraction form
    125,218,271.20/187,827,406.80 = 86,954,519.20/x
  3. Step 3: Cross multiply
    125,218,271.20x = 187,827,406.80 × 86,954,519.20
  4. Step 4: Simplify right side
    125,218,271.20x = 16,332,441,850,876,812
  5. Step 5: Solve for x
    x = 16,332,441,850,876,812/125,218,271.20
  6. Step 6: Final answer
    x = 130,431,778.80

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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.