Home / 279,550,373.20-419,321,623.20-126,196,183.60

Finding the Fourth Proportional to 279,550,373.20, 419,321,623.20 and 126,196,183.60

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Solution

The fourth proportional to 279,550,373.20, 419,321,623.20 and 126,196,183.60 is: 189,292,498.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,550,373.20 : 419,321,623.20 = 126,196,183.60 : x
  2. Step 2: Convert to fraction form
    279,550,373.20/419,321,623.20 = 126,196,183.60/x
  3. Step 3: Cross multiply
    279,550,373.20x = 419,321,623.20 × 126,196,183.60
  4. Step 4: Simplify right side
    279,550,373.20x = 52,916,788,548,797,216
  5. Step 5: Solve for x
    x = 52,916,788,548,797,216/279,550,373.20
  6. Step 6: Final answer
    x = 189,292,498.32

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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.