Home / 91,765,610.97-126,639,884.83-49,947,656.66

Finding the Fourth Proportional to 91,765,610.97, 126,639,884.83 and 49,947,656.66

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Solution

The fourth proportional to 91,765,610.97, 126,639,884.83 and 49,947,656.66 is: 68,929,585.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,765,610.97 : 126,639,884.83 = 49,947,656.66 : x
  2. Step 2: Convert to fraction form
    91,765,610.97/126,639,884.83 = 49,947,656.66/x
  3. Step 3: Cross multiply
    91,765,610.97x = 126,639,884.83 × 49,947,656.66
  4. Step 4: Simplify right side
    91,765,610.97x = 6,325,365,486,950,782
  5. Step 5: Solve for x
    x = 6,325,365,486,950,782/91,765,610.97
  6. Step 6: Final answer
    x = 68,929,585.06

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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.