Home / 124,489,414.30-186,734,121.45-79,251,756.70

Finding the Fourth Proportional to 124,489,414.30, 186,734,121.45 and 79,251,756.70

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Solution

The fourth proportional to 124,489,414.30, 186,734,121.45 and 79,251,756.70 is: 118,877,635.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,489,414.30 : 186,734,121.45 = 79,251,756.70 : x
  2. Step 2: Convert to fraction form
    124,489,414.30/186,734,121.45 = 79,251,756.70/x
  3. Step 3: Cross multiply
    124,489,414.30x = 186,734,121.45 × 79,251,756.70
  4. Step 4: Simplify right side
    124,489,414.30x = 14,799,007,160,743,650
  5. Step 5: Solve for x
    x = 14,799,007,160,743,650/124,489,414.30
  6. Step 6: Final answer
    x = 118,877,635.05

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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.