Home / 66,726,910.35-100,099,873.44-20,672,399.43

Finding the Fourth Proportional to 66,726,910.35, 100,099,873.44 and 20,672,399.43

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Solution

The fourth proportional to 66,726,910.35, 100,099,873.44 and 20,672,399.43 is: 31,011,544.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,726,910.35 : 100,099,873.44 = 20,672,399.43 : x
  2. Step 2: Convert to fraction form
    66,726,910.35/100,099,873.44 = 20,672,399.43/x
  3. Step 3: Cross multiply
    66,726,910.35x = 100,099,873.44 × 20,672,399.43
  4. Step 4: Simplify right side
    66,726,910.35x = 2,069,304,566,644,128
  5. Step 5: Solve for x
    x = 2,069,304,566,644,128/66,726,910.35
  6. Step 6: Final answer
    x = 31,011,544.75

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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.