Home / 91,237,100.28-125,906,155.90-49,420,377.24

Finding the Fourth Proportional to 91,237,100.28, 125,906,155.90 and 49,420,377.24

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Solution

The fourth proportional to 91,237,100.28, 125,906,155.90 and 49,420,377.24 is: 68,199,555.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,237,100.28 : 125,906,155.90 = 49,420,377.24 : x
  2. Step 2: Convert to fraction form
    91,237,100.28/125,906,155.90 = 49,420,377.24/x
  3. Step 3: Cross multiply
    91,237,100.28x = 125,906,155.90 × 49,420,377.24
  4. Step 4: Simplify right side
    91,237,100.28x = 6,222,329,721,416,252
  5. Step 5: Solve for x
    x = 6,222,329,721,416,252/91,237,100.28
  6. Step 6: Final answer
    x = 68,199,555.91

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