Home / 128,722,051.20-193,064,414.40-37,836,163.20

Finding the Fourth Proportional to 128,722,051.20, 193,064,414.40 and 37,836,163.20

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Solution

The fourth proportional to 128,722,051.20, 193,064,414.40 and 37,836,163.20 is: 56,748,759.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,722,051.20 : 193,064,414.40 = 37,836,163.20 : x
  2. Step 2: Convert to fraction form
    128,722,051.20/193,064,414.40 = 37,836,163.20/x
  3. Step 3: Cross multiply
    128,722,051.20x = 193,064,414.40 × 37,836,163.20
  4. Step 4: Simplify right side
    128,722,051.20x = 7,304,816,691,350,831
  5. Step 5: Solve for x
    x = 7,304,816,691,350,831/128,722,051.20
  6. Step 6: Final answer
    x = 56,748,759.23

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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.