Home / 91,765,237.97-126,639,369.61-49,947,281.91

Finding the Fourth Proportional to 91,765,237.97, 126,639,369.61 and 49,947,281.91

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Solution

The fourth proportional to 91,765,237.97, 126,639,369.61 and 49,947,281.91 is: 68,929,067.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,765,237.97 : 126,639,369.61 = 49,947,281.91 : x
  2. Step 2: Convert to fraction form
    91,765,237.97/126,639,369.61 = 49,947,281.91/x
  3. Step 3: Cross multiply
    91,765,237.97x = 126,639,369.61 × 49,947,281.91
  4. Step 4: Simplify right side
    91,765,237.97x = 6,325,292,294,690,488
  5. Step 5: Solve for x
    x = 6,325,292,294,690,488/91,765,237.97
  6. Step 6: Final answer
    x = 68,929,067.63

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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.