Home / 66,807,655.44-100,227,131.19-20,747,171.94

Finding the Fourth Proportional to 66,807,655.44, 100,227,131.19 and 20,747,171.94

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Solution

The fourth proportional to 66,807,655.44, 100,227,131.19 and 20,747,171.94 is: 31,125,617.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,807,655.44 : 100,227,131.19 = 20,747,171.94 : x
  2. Step 2: Convert to fraction form
    66,807,655.44/100,227,131.19 = 20,747,171.94/x
  3. Step 3: Cross multiply
    66,807,655.44x = 100,227,131.19 × 20,747,171.94
  4. Step 4: Simplify right side
    66,807,655.44x = 2,079,429,523,851,867
  5. Step 5: Solve for x
    x = 2,079,429,523,851,867/66,807,655.44
  6. Step 6: Final answer
    x = 31,125,617.42

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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.