Home / 83,268,019.20-124,902,028.80-73,190,323.20

Finding the Fourth Proportional to 83,268,019.20, 124,902,028.80 and 73,190,323.20

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Solution

The fourth proportional to 83,268,019.20, 124,902,028.80 and 73,190,323.20 is: 109,785,484.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,268,019.20 : 124,902,028.80 = 73,190,323.20 : x
  2. Step 2: Convert to fraction form
    83,268,019.20/124,902,028.80 = 73,190,323.20/x
  3. Step 3: Cross multiply
    83,268,019.20x = 124,902,028.80 × 73,190,323.20
  4. Step 4: Simplify right side
    83,268,019.20x = 9,141,619,856,207,708
  5. Step 5: Solve for x
    x = 9,141,619,856,207,708/83,268,019.20
  6. Step 6: Final answer
    x = 109,785,484.80

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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.