Home / 215,318,769.20-322,593,241.80-131,034,705.20

Finding the Fourth Proportional to 215,318,769.20, 322,593,241.80 and 131,034,705.20

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Solution

The fourth proportional to 215,318,769.20, 322,593,241.80 and 131,034,705.20 is: 196,317,815.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,318,769.20 : 322,593,241.80 = 131,034,705.20 : x
  2. Step 2: Convert to fraction form
    215,318,769.20/322,593,241.80 = 131,034,705.20/x
  3. Step 3: Cross multiply
    215,318,769.20x = 322,593,241.80 × 131,034,705.20
  4. Step 4: Simplify right side
    215,318,769.20x = 42,270,910,338,775,320
  5. Step 5: Solve for x
    x = 42,270,910,338,775,320/215,318,769.20
  6. Step 6: Final answer
    x = 196,317,815.19

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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.