Home / 205,902,309.96-308,853,217.13-52,548,382.80

Finding the Fourth Proportional to 205,902,309.96, 308,853,217.13 and 52,548,382.80

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Solution

The fourth proportional to 205,902,309.96, 308,853,217.13 and 52,548,382.80 is: 78,822,510.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,902,309.96 : 308,853,217.13 = 52,548,382.80 : x
  2. Step 2: Convert to fraction form
    205,902,309.96/308,853,217.13 = 52,548,382.80/x
  3. Step 3: Cross multiply
    205,902,309.96x = 308,853,217.13 × 52,548,382.80
  4. Step 4: Simplify right side
    205,902,309.96x = 16,229,737,082,496,014
  5. Step 5: Solve for x
    x = 16,229,737,082,496,014/205,902,309.96
  6. Step 6: Final answer
    x = 78,822,510.96

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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.