Home / 205,902,310.21-308,853,217.50-52,548,383.05

Finding the Fourth Proportional to 205,902,310.21, 308,853,217.50 and 52,548,383.05

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Solution

The fourth proportional to 205,902,310.21, 308,853,217.50 and 52,548,383.05 is: 78,822,511.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,902,310.21 : 308,853,217.50 = 52,548,383.05 : x
  2. Step 2: Convert to fraction form
    205,902,310.21/308,853,217.50 = 52,548,383.05/x
  3. Step 3: Cross multiply
    205,902,310.21x = 308,853,217.50 × 52,548,383.05
  4. Step 4: Simplify right side
    205,902,310.21x = 16,229,737,179,414,962
  5. Step 5: Solve for x
    x = 16,229,737,179,414,962/205,902,310.21
  6. Step 6: Final answer
    x = 78,822,511.33

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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.