Home / 81,202,262.69-121,810,551.69-22,910,451.29

Finding the Fourth Proportional to 81,202,262.69, 121,810,551.69 and 22,910,451.29

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Solution

The fourth proportional to 81,202,262.69, 121,810,551.69 and 22,910,451.29 is: 34,367,696.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,202,262.69 : 121,810,551.69 = 22,910,451.29 : x
  2. Step 2: Convert to fraction form
    81,202,262.69/121,810,551.69 = 22,910,451.29/x
  3. Step 3: Cross multiply
    81,202,262.69x = 121,810,551.69 × 22,910,451.29
  4. Step 4: Simplify right side
    81,202,262.69x = 2,790,734,711,591,499.50
  5. Step 5: Solve for x
    x = 2,790,734,711,591,499.50/81,202,262.69
  6. Step 6: Final answer
    x = 34,367,696.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.