Home / 80,172,003.64-120,199,121.62-25,553,146.36

Finding the Fourth Proportional to 80,172,003.64, 120,199,121.62 and 25,553,146.36

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Solution

The fourth proportional to 80,172,003.64, 120,199,121.62 and 25,553,146.36 is: 38,310,951.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,172,003.64 : 120,199,121.62 = 25,553,146.36 : x
  2. Step 2: Convert to fraction form
    80,172,003.64/120,199,121.62 = 25,553,146.36/x
  3. Step 3: Cross multiply
    80,172,003.64x = 120,199,121.62 × 25,553,146.36
  4. Step 4: Simplify right side
    80,172,003.64x = 3,071,465,747,099,300.50
  5. Step 5: Solve for x
    x = 3,071,465,747,099,300.50/80,172,003.64
  6. Step 6: Final answer
    x = 38,310,951.55

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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.