Home / 206,515,072.88-284,979,982.48-113,677,447.76

Finding the Fourth Proportional to 206,515,072.88, 284,979,982.48 and 113,677,447.76

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Solution

The fourth proportional to 206,515,072.88, 284,979,982.48 and 113,677,447.76 is: 156,868,923.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,515,072.88 : 284,979,982.48 = 113,677,447.76 : x
  2. Step 2: Convert to fraction form
    206,515,072.88/284,979,982.48 = 113,677,447.76/x
  3. Step 3: Cross multiply
    206,515,072.88x = 284,979,982.48 × 113,677,447.76
  4. Step 4: Simplify right side
    206,515,072.88x = 32,395,797,071,015,920
  5. Step 5: Solve for x
    x = 32,395,797,071,015,920/206,515,072.88
  6. Step 6: Final answer
    x = 156,868,923.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.