Home / 327,784,109.20-491,534,446.20-163,958,563.60

Finding the Fourth Proportional to 327,784,109.20, 491,534,446.20 and 163,958,563.60

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Solution

The fourth proportional to 327,784,109.20, 491,534,446.20 and 163,958,563.60 is: 245,866,957.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,784,109.20 : 491,534,446.20 = 163,958,563.60 : x
  2. Step 2: Convert to fraction form
    327,784,109.20/491,534,446.20 = 163,958,563.60/x
  3. Step 3: Cross multiply
    327,784,109.20x = 491,534,446.20 × 163,958,563.60
  4. Step 4: Simplify right side
    327,784,109.20x = 80,591,281,758,873,472
  5. Step 5: Solve for x
    x = 80,591,281,758,873,472/327,784,109.20
  6. Step 6: Final answer
    x = 245,866,957.84

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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.