Home / 91,510,766.82-126,284,883.12-49,694,821.08

Finding the Fourth Proportional to 91,510,766.82, 126,284,883.12 and 49,694,821.08

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Solution

The fourth proportional to 91,510,766.82, 126,284,883.12 and 49,694,821.08 is: 68,578,866.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,510,766.82 : 126,284,883.12 = 49,694,821.08 : x
  2. Step 2: Convert to fraction form
    91,510,766.82/126,284,883.12 = 49,694,821.08/x
  3. Step 3: Cross multiply
    91,510,766.82x = 126,284,883.12 × 49,694,821.08
  4. Step 4: Simplify right side
    91,510,766.82x = 6,275,704,671,757,112
  5. Step 5: Solve for x
    x = 6,275,704,671,757,112/91,510,766.82
  6. Step 6: Final answer
    x = 68,578,866.62

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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.