Home / 327,784,107.20-491,534,443.20-163,958,561.60

Finding the Fourth Proportional to 327,784,107.20, 491,534,443.20 and 163,958,561.60

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Solution

The fourth proportional to 327,784,107.20, 491,534,443.20 and 163,958,561.60 is: 245,866,954.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,784,107.20 : 491,534,443.20 = 163,958,561.60 : x
  2. Step 2: Convert to fraction form
    327,784,107.20/491,534,443.20 = 163,958,561.60/x
  3. Step 3: Cross multiply
    327,784,107.20x = 491,534,443.20 × 163,958,561.60
  4. Step 4: Simplify right side
    327,784,107.20x = 80,591,280,283,928,896
  5. Step 5: Solve for x
    x = 80,591,280,283,928,896/327,784,107.20
  6. Step 6: Final answer
    x = 245,866,954.85

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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.