Home / 72,508,725.60-100,063,318.01-39,469,924.37

Finding the Fourth Proportional to 72,508,725.60, 100,063,318.01 and 39,469,924.37

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Solution

The fourth proportional to 72,508,725.60, 100,063,318.01 and 39,469,924.37 is: 54,469,190.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,508,725.60 : 100,063,318.01 = 39,469,924.37 : x
  2. Step 2: Convert to fraction form
    72,508,725.60/100,063,318.01 = 39,469,924.37/x
  3. Step 3: Cross multiply
    72,508,725.60x = 100,063,318.01 × 39,469,924.37
  4. Step 4: Simplify right side
    72,508,725.60x = 3,949,491,593,368,292.50
  5. Step 5: Solve for x
    x = 3,949,491,593,368,292.50/72,508,725.60
  6. Step 6: Final answer
    x = 54,469,190.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.