Home / 59,435,120.39-89,151,794.33-20,601,840.78

Finding the Fourth Proportional to 59,435,120.39, 89,151,794.33 and 20,601,840.78

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Solution

The fourth proportional to 59,435,120.39, 89,151,794.33 and 20,601,840.78 is: 30,902,453.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,435,120.39 : 89,151,794.33 = 20,601,840.78 : x
  2. Step 2: Convert to fraction form
    59,435,120.39/89,151,794.33 = 20,601,840.78/x
  3. Step 3: Cross multiply
    59,435,120.39x = 89,151,794.33 × 20,601,840.78
  4. Step 4: Simplify right side
    59,435,120.39x = 1,836,691,071,934,957.75
  5. Step 5: Solve for x
    x = 1,836,691,071,934,957.75/59,435,120.39
  6. Step 6: Final answer
    x = 30,902,453.97

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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.