Home / 91,765,610.28-126,639,883.88-49,947,655.98

Finding the Fourth Proportional to 91,765,610.28, 126,639,883.88 and 49,947,655.98

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Solution

The fourth proportional to 91,765,610.28, 126,639,883.88 and 49,947,655.98 is: 68,929,584.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,765,610.28 : 126,639,883.88 = 49,947,655.98 : x
  2. Step 2: Convert to fraction form
    91,765,610.28/126,639,883.88 = 49,947,655.98/x
  3. Step 3: Cross multiply
    91,765,610.28x = 126,639,883.88 × 49,947,655.98
  4. Step 4: Simplify right side
    91,765,610.28x = 6,325,365,353,385,387
  5. Step 5: Solve for x
    x = 6,325,365,353,385,387/91,765,610.28
  6. Step 6: Final answer
    x = 68,929,584.12

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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.