Home / 123,882,168.20-185,823,252.30-66,486,540.20

Finding the Fourth Proportional to 123,882,168.20, 185,823,252.30 and 66,486,540.20

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Solution

The fourth proportional to 123,882,168.20, 185,823,252.30 and 66,486,540.20 is: 99,729,810.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,882,168.20 : 185,823,252.30 = 66,486,540.20 : x
  2. Step 2: Convert to fraction form
    123,882,168.20/185,823,252.30 = 66,486,540.20/x
  3. Step 3: Cross multiply
    123,882,168.20x = 185,823,252.30 × 66,486,540.20
  4. Step 4: Simplify right side
    123,882,168.20x = 12,354,745,134,138,694
  5. Step 5: Solve for x
    x = 12,354,745,134,138,694/123,882,168.20
  6. Step 6: Final answer
    x = 99,729,810.30

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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.