Home / 91,904,004.80-137,856,007.20-74,897,892.80

Finding the Fourth Proportional to 91,904,004.80, 137,856,007.20 and 74,897,892.80

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Solution

The fourth proportional to 91,904,004.80, 137,856,007.20 and 74,897,892.80 is: 112,346,839.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,904,004.80 : 137,856,007.20 = 74,897,892.80 : x
  2. Step 2: Convert to fraction form
    91,904,004.80/137,856,007.20 = 74,897,892.80/x
  3. Step 3: Cross multiply
    91,904,004.80x = 137,856,007.20 × 74,897,892.80
  4. Step 4: Simplify right side
    91,904,004.80x = 10,325,124,449,101,626
  5. Step 5: Solve for x
    x = 10,325,124,449,101,626/91,904,004.80
  6. Step 6: Final answer
    x = 112,346,839.20

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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.