Home / 91,765,920.68-126,640,314.48-49,947,965.62

Finding the Fourth Proportional to 91,765,920.68, 126,640,314.48 and 49,947,965.62

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Solution

The fourth proportional to 91,765,920.68, 126,640,314.48 and 49,947,965.62 is: 68,930,012.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,765,920.68 : 126,640,314.48 = 49,947,965.62 : x
  2. Step 2: Convert to fraction form
    91,765,920.68/126,640,314.48 = 49,947,965.62/x
  3. Step 3: Cross multiply
    91,765,920.68x = 126,640,314.48 × 49,947,965.62
  4. Step 4: Simplify right side
    91,765,920.68x = 6,325,426,073,753,028
  5. Step 5: Solve for x
    x = 6,325,426,073,753,028/91,765,920.68
  6. Step 6: Final answer
    x = 68,930,012.65

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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.