Home / 252,251,753.60-378,433,617.60-115,904,259.20

Finding the Fourth Proportional to 252,251,753.60, 378,433,617.60 and 115,904,259.20

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Solution

The fourth proportional to 252,251,753.60, 378,433,617.60 and 115,904,259.20 is: 173,882,113.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,251,753.60 : 378,433,617.60 = 115,904,259.20 : x
  2. Step 2: Convert to fraction form
    252,251,753.60/378,433,617.60 = 115,904,259.20/x
  3. Step 3: Cross multiply
    252,251,753.60x = 378,433,617.60 × 115,904,259.20
  4. Step 4: Simplify right side
    252,251,753.60x = 43,862,068,104,304,088
  5. Step 5: Solve for x
    x = 43,862,068,104,304,088/252,251,753.60
  6. Step 6: Final answer
    x = 173,882,113.72

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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.