Home / 201,190,768.68-301,903,266.89-84,597,687.12

Finding the Fourth Proportional to 201,190,768.68, 301,903,266.89 and 84,597,687.12

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Solution

The fourth proportional to 201,190,768.68, 301,903,266.89 and 84,597,687.12 is: 126,945,775.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,190,768.68 : 301,903,266.89 = 84,597,687.12 : x
  2. Step 2: Convert to fraction form
    201,190,768.68/301,903,266.89 = 84,597,687.12/x
  3. Step 3: Cross multiply
    201,190,768.68x = 301,903,266.89 × 84,597,687.12
  4. Step 4: Simplify right side
    201,190,768.68x = 25,540,318,114,209,704
  5. Step 5: Solve for x
    x = 25,540,318,114,209,704/201,190,768.68
  6. Step 6: Final answer
    x = 126,945,775.30

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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.