Home / 91,765,327.14-126,639,493.20-49,947,372.09

Finding the Fourth Proportional to 91,765,327.14, 126,639,493.20 and 49,947,372.09

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Solution

The fourth proportional to 91,765,327.14, 126,639,493.20 and 49,947,372.09 is: 68,929,192.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,765,327.14 : 126,639,493.20 = 49,947,372.09 : x
  2. Step 2: Convert to fraction form
    91,765,327.14/126,639,493.20 = 49,947,372.09/x
  3. Step 3: Cross multiply
    91,765,327.14x = 126,639,493.20 × 49,947,372.09
  4. Step 4: Simplify right side
    91,765,327.14x = 6,325,309,888,149,425
  5. Step 5: Solve for x
    x = 6,325,309,888,149,425/91,765,327.14
  6. Step 6: Final answer
    x = 68,929,192.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.