Home / 252,251,822.60-378,433,721.10-115,904,328.20

Finding the Fourth Proportional to 252,251,822.60, 378,433,721.10 and 115,904,328.20

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Solution

The fourth proportional to 252,251,822.60, 378,433,721.10 and 115,904,328.20 is: 173,882,217.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,251,822.60 : 378,433,721.10 = 115,904,328.20 : x
  2. Step 2: Convert to fraction form
    252,251,822.60/378,433,721.10 = 115,904,328.20/x
  3. Step 3: Cross multiply
    252,251,822.60x = 378,433,721.10 × 115,904,328.20
  4. Step 4: Simplify right side
    252,251,822.60x = 43,862,106,212,321,672
  5. Step 5: Solve for x
    x = 43,862,106,212,321,672/252,251,822.60
  6. Step 6: Final answer
    x = 173,882,217.22

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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.