Home / 55,344,388.40-82,904,608.20-38,324,279.60

Finding the Fourth Proportional to 55,344,388.40, 82,904,608.20 and 38,324,279.60

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Solution

The fourth proportional to 55,344,388.40, 82,904,608.20 and 38,324,279.60 is: 57,408,880.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,344,388.40 : 82,904,608.20 = 38,324,279.60 : x
  2. Step 2: Convert to fraction form
    55,344,388.40/82,904,608.20 = 38,324,279.60/x
  3. Step 3: Cross multiply
    55,344,388.40x = 82,904,608.20 × 38,324,279.60
  4. Step 4: Simplify right side
    55,344,388.40x = 3,177,259,384,785,253
  5. Step 5: Solve for x
    x = 3,177,259,384,785,253/55,344,388.40
  6. Step 6: Final answer
    x = 57,408,880.59

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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.