Home / 91,214,110.88-125,873,917.20-49,397,836.52

Finding the Fourth Proportional to 91,214,110.88, 125,873,917.20 and 49,397,836.52

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Solution

The fourth proportional to 91,214,110.88, 125,873,917.20 and 49,397,836.52 is: 68,168,171.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,214,110.88 : 125,873,917.20 = 49,397,836.52 : x
  2. Step 2: Convert to fraction form
    91,214,110.88/125,873,917.20 = 49,397,836.52/x
  3. Step 3: Cross multiply
    91,214,110.88x = 125,873,917.20 × 49,397,836.52
  4. Step 4: Simplify right side
    91,214,110.88x = 6,217,899,183,977,617
  5. Step 5: Solve for x
    x = 6,217,899,183,977,617/91,214,110.88
  6. Step 6: Final answer
    x = 68,168,171.83

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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.