Home / 90,217,867.41-124,500,778.25-48,964,760.37

Finding the Fourth Proportional to 90,217,867.41, 124,500,778.25 and 48,964,760.37

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Solution

The fourth proportional to 90,217,867.41, 124,500,778.25 and 48,964,760.37 is: 67,571,435.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,217,867.41 : 124,500,778.25 = 48,964,760.37 : x
  2. Step 2: Convert to fraction form
    90,217,867.41/124,500,778.25 = 48,964,760.37/x
  3. Step 3: Cross multiply
    90,217,867.41x = 124,500,778.25 × 48,964,760.37
  4. Step 4: Simplify right side
    90,217,867.41x = 6,096,150,772,644,934
  5. Step 5: Solve for x
    x = 6,096,150,772,644,934/90,217,867.41
  6. Step 6: Final answer
    x = 67,571,435.10

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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.