Home / 43,501,196.88-65,251,791.68-20,713,006.80

Finding the Fourth Proportional to 43,501,196.88, 65,251,791.68 and 20,713,006.80

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Solution

The fourth proportional to 43,501,196.88, 65,251,791.68 and 20,713,006.80 is: 31,069,508.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,501,196.88 : 65,251,791.68 = 20,713,006.80 : x
  2. Step 2: Convert to fraction form
    43,501,196.88/65,251,791.68 = 20,713,006.80/x
  3. Step 3: Cross multiply
    43,501,196.88x = 65,251,791.68 × 20,713,006.80
  4. Step 4: Simplify right side
    43,501,196.88x = 1,351,560,804,780,023.50
  5. Step 5: Solve for x
    x = 1,351,560,804,780,023.50/43,501,196.88
  6. Step 6: Final answer
    x = 31,069,508.47

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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.