Home / 215,318,769.70-322,593,242.55-131,034,705.70

Finding the Fourth Proportional to 215,318,769.70, 322,593,242.55 and 131,034,705.70

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Solution

The fourth proportional to 215,318,769.70, 322,593,242.55 and 131,034,705.70 is: 196,317,815.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,318,769.70 : 322,593,242.55 = 131,034,705.70 : x
  2. Step 2: Convert to fraction form
    215,318,769.70/322,593,242.55 = 131,034,705.70/x
  3. Step 3: Cross multiply
    215,318,769.70x = 322,593,242.55 × 131,034,705.70
  4. Step 4: Simplify right side
    215,318,769.70x = 42,270,910,598,347,968
  5. Step 5: Solve for x
    x = 42,270,910,598,347,968/215,318,769.70
  6. Step 6: Final answer
    x = 196,317,815.94

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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.