Home / 74,416,998.30-111,412,921.05-66,764,247.90

Finding the Fourth Proportional to 74,416,998.30, 111,412,921.05 and 66,764,247.90

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Solution

The fourth proportional to 74,416,998.30, 111,412,921.05 and 66,764,247.90 is: 99,955,655.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,416,998.30 : 111,412,921.05 = 66,764,247.90 : x
  2. Step 2: Convert to fraction form
    74,416,998.30/111,412,921.05 = 66,764,247.90/x
  3. Step 3: Cross multiply
    74,416,998.30x = 111,412,921.05 × 66,764,247.90
  4. Step 4: Simplify right side
    74,416,998.30x = 7,438,399,880,245,328
  5. Step 5: Solve for x
    x = 7,438,399,880,245,328/74,416,998.30
  6. Step 6: Final answer
    x = 99,955,655.97

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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.