Home / 279,550,564.20-419,321,909.70-126,196,374.60

Finding the Fourth Proportional to 279,550,564.20, 419,321,909.70 and 126,196,374.60

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Solution

The fourth proportional to 279,550,564.20, 419,321,909.70 and 126,196,374.60 is: 189,292,784.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,550,564.20 : 419,321,909.70 = 126,196,374.60 : x
  2. Step 2: Convert to fraction form
    279,550,564.20/419,321,909.70 = 126,196,374.60/x
  3. Step 3: Cross multiply
    279,550,564.20x = 419,321,909.70 × 126,196,374.60
  4. Step 4: Simplify right side
    279,550,564.20x = 52,916,904,794,488,568
  5. Step 5: Solve for x
    x = 52,916,904,794,488,568/279,550,564.20
  6. Step 6: Final answer
    x = 189,292,784.82

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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.