Home / 204,125,941.35-306,228,770.10-81,283,354.20

Finding the Fourth Proportional to 204,125,941.35, 306,228,770.10 and 81,283,354.20

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Solution

The fourth proportional to 204,125,941.35, 306,228,770.10 and 81,283,354.20 is: 121,940,902.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,125,941.35 : 306,228,770.10 = 81,283,354.20 : x
  2. Step 2: Convert to fraction form
    204,125,941.35/306,228,770.10 = 81,283,354.20/x
  3. Step 3: Cross multiply
    204,125,941.35x = 306,228,770.10 × 81,283,354.20
  4. Step 4: Simplify right side
    204,125,941.35x = 24,891,301,586,268,672
  5. Step 5: Solve for x
    x = 24,891,301,586,268,672/204,125,941.35
  6. Step 6: Final answer
    x = 121,940,902.86

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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.