Home / 71,428,222.80-107,167,217.40-31,067,672.40

Finding the Fourth Proportional to 71,428,222.80, 107,167,217.40 and 31,067,672.40

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Solution

The fourth proportional to 71,428,222.80, 107,167,217.40 and 31,067,672.40 is: 46,612,331.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,428,222.80 : 107,167,217.40 = 31,067,672.40 : x
  2. Step 2: Convert to fraction form
    71,428,222.80/107,167,217.40 = 31,067,672.40/x
  3. Step 3: Cross multiply
    71,428,222.80x = 107,167,217.40 × 31,067,672.40
  4. Step 4: Simplify right side
    71,428,222.80x = 3,329,436,002,202,780
  5. Step 5: Solve for x
    x = 3,329,436,002,202,780/71,428,222.80
  6. Step 6: Final answer
    x = 46,612,331.54

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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.