Home / 275,256,164.97-412,821,153.81-78,515,833.41

Finding the Fourth Proportional to 275,256,164.97, 412,821,153.81 and 78,515,833.41

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Solution

The fourth proportional to 275,256,164.97, 412,821,153.81 and 78,515,833.41 is: 117,755,752.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,256,164.97 : 412,821,153.81 = 78,515,833.41 : x
  2. Step 2: Convert to fraction form
    275,256,164.97/412,821,153.81 = 78,515,833.41/x
  3. Step 3: Cross multiply
    275,256,164.97x = 412,821,153.81 × 78,515,833.41
  4. Step 4: Simplify right side
    275,256,164.97x = 32,412,996,940,669,944
  5. Step 5: Solve for x
    x = 32,412,996,940,669,944/275,256,164.97
  6. Step 6: Final answer
    x = 117,755,752.88

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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.