Home / 272,291,287.30-408,383,786.85-90,538,465.30

Finding the Fourth Proportional to 272,291,287.30, 408,383,786.85 and 90,538,465.30

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Solution

The fourth proportional to 272,291,287.30, 408,383,786.85 and 90,538,465.30 is: 135,790,027.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,291,287.30 : 408,383,786.85 = 90,538,465.30 : x
  2. Step 2: Convert to fraction form
    272,291,287.30/408,383,786.85 = 90,538,465.30/x
  3. Step 3: Cross multiply
    272,291,287.30x = 408,383,786.85 × 90,538,465.30
  4. Step 4: Simplify right side
    272,291,287.30x = 36,974,441,314,801,320
  5. Step 5: Solve for x
    x = 36,974,441,314,801,320/272,291,287.30
  6. Step 6: Final answer
    x = 135,790,027.22

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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.