Home / 78,177,819.78-117,263,781.30-23,588,949.36

Finding the Fourth Proportional to 78,177,819.78, 117,263,781.30 and 23,588,949.36

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Solution

The fourth proportional to 78,177,819.78, 117,263,781.30 and 23,588,949.36 is: 35,382,534.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,177,819.78 : 117,263,781.30 = 23,588,949.36 : x
  2. Step 2: Convert to fraction form
    78,177,819.78/117,263,781.30 = 23,588,949.36/x
  3. Step 3: Cross multiply
    78,177,819.78x = 117,263,781.30 × 23,588,949.36
  4. Step 4: Simplify right side
    78,177,819.78x = 2,766,129,398,847,815
  5. Step 5: Solve for x
    x = 2,766,129,398,847,815/78,177,819.78
  6. Step 6: Final answer
    x = 35,382,534.41

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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.