Home / 91,469,815.26-137,752,340.51-83,306,881.50

Finding the Fourth Proportional to 91,469,815.26, 137,752,340.51 and 83,306,881.50

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Solution

The fourth proportional to 91,469,815.26, 137,752,340.51 and 83,306,881.50 is: 125,459,069.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,469,815.26 : 137,752,340.51 = 83,306,881.50 : x
  2. Step 2: Convert to fraction form
    91,469,815.26/137,752,340.51 = 83,306,881.50/x
  3. Step 3: Cross multiply
    91,469,815.26x = 137,752,340.51 × 83,306,881.50
  4. Step 4: Simplify right side
    91,469,815.26x = 11,475,717,906,797,684
  5. Step 5: Solve for x
    x = 11,475,717,906,797,684/91,469,815.26
  6. Step 6: Final answer
    x = 125,459,069.47

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.