Home / 217,687,836.96-300,409,158.24-119,902,692.96

Finding the Fourth Proportional to 217,687,836.96, 300,409,158.24 and 119,902,692.96

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Solution

The fourth proportional to 217,687,836.96, 300,409,158.24 and 119,902,692.96 is: 165,465,685.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,687,836.96 : 300,409,158.24 = 119,902,692.96 : x
  2. Step 2: Convert to fraction form
    217,687,836.96/300,409,158.24 = 119,902,692.96/x
  3. Step 3: Cross multiply
    217,687,836.96x = 300,409,158.24 × 119,902,692.96
  4. Step 4: Simplify right side
    217,687,836.96x = 36,019,867,062,822,772
  5. Step 5: Solve for x
    x = 36,019,867,062,822,772/217,687,836.96
  6. Step 6: Final answer
    x = 165,465,685.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.