Home / 198,982,362.58-274,591,981.29-108,456,634.33

Finding the Fourth Proportional to 198,982,362.58, 274,591,981.29 and 108,456,634.33

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Solution

The fourth proportional to 198,982,362.58, 274,591,981.29 and 108,456,634.33 is: 149,668,150.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,982,362.58 : 274,591,981.29 = 108,456,634.33 : x
  2. Step 2: Convert to fraction form
    198,982,362.58/274,591,981.29 = 108,456,634.33/x
  3. Step 3: Cross multiply
    198,982,362.58x = 274,591,981.29 × 108,456,634.33
  4. Step 4: Simplify right side
    198,982,362.58x = 29,781,322,104,441,048
  5. Step 5: Solve for x
    x = 29,781,322,104,441,048/198,982,362.58
  6. Step 6: Final answer
    x = 149,668,150.07

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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.