Home / 83,607,628.80-125,505,921.60-49,548,165.60

Finding the Fourth Proportional to 83,607,628.80, 125,505,921.60 and 49,548,165.60

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Solution

The fourth proportional to 83,607,628.80, 125,505,921.60 and 49,548,165.60 is: 74,378,238.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,607,628.80 : 125,505,921.60 = 49,548,165.60 : x
  2. Step 2: Convert to fraction form
    83,607,628.80/125,505,921.60 = 49,548,165.60/x
  3. Step 3: Cross multiply
    83,607,628.80x = 125,505,921.60 × 49,548,165.60
  4. Step 4: Simplify right side
    83,607,628.80x = 6,218,588,187,217,417
  5. Step 5: Solve for x
    x = 6,218,588,187,217,417/83,607,628.80
  6. Step 6: Final answer
    x = 74,378,238.88

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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.