Home / 78,322,906.88-117,471,329.54-23,722,510.92

Finding the Fourth Proportional to 78,322,906.88, 117,471,329.54 and 23,722,510.92

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Solution

The fourth proportional to 78,322,906.88, 117,471,329.54 and 23,722,510.92 is: 35,579,819.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,322,906.88 : 117,471,329.54 = 23,722,510.92 : x
  2. Step 2: Convert to fraction form
    78,322,906.88/117,471,329.54 = 23,722,510.92/x
  3. Step 3: Cross multiply
    78,322,906.88x = 117,471,329.54 × 23,722,510.92
  4. Step 4: Simplify right side
    78,322,906.88x = 2,786,714,897,799,569
  5. Step 5: Solve for x
    x = 2,786,714,897,799,569/78,322,906.88
  6. Step 6: Final answer
    x = 35,579,819.61

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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.