Home / 252,385,988.60-379,244,778.83-135,887,478.39

Finding the Fourth Proportional to 252,385,988.60, 379,244,778.83 and 135,887,478.39

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Solution

The fourth proportional to 252,385,988.60, 379,244,778.83 and 135,887,478.39 is: 204,189,689.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,385,988.60 : 379,244,778.83 = 135,887,478.39 : x
  2. Step 2: Convert to fraction form
    252,385,988.60/379,244,778.83 = 135,887,478.39/x
  3. Step 3: Cross multiply
    252,385,988.60x = 379,244,778.83 × 135,887,478.39
  4. Step 4: Simplify right side
    252,385,988.60x = 51,534,616,687,993,936
  5. Step 5: Solve for x
    x = 51,534,616,687,993,936/252,385,988.60
  6. Step 6: Final answer
    x = 204,189,689.66

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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.