Home / 279,550,382.70-419,321,637.45-126,196,193.10

Finding the Fourth Proportional to 279,550,382.70, 419,321,637.45 and 126,196,193.10

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Solution

The fourth proportional to 279,550,382.70, 419,321,637.45 and 126,196,193.10 is: 189,292,512.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,550,382.70 : 419,321,637.45 = 126,196,193.10 : x
  2. Step 2: Convert to fraction form
    279,550,382.70/419,321,637.45 = 126,196,193.10/x
  3. Step 3: Cross multiply
    279,550,382.70x = 419,321,637.45 × 126,196,193.10
  4. Step 4: Simplify right side
    279,550,382.70x = 52,916,794,330,648,384
  5. Step 5: Solve for x
    x = 52,916,794,330,648,384/279,550,382.70
  6. Step 6: Final answer
    x = 189,292,512.57

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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.