Home / 71,428,230.80-107,167,229.40-31,067,680.40

Finding the Fourth Proportional to 71,428,230.80, 107,167,229.40 and 31,067,680.40

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Solution

The fourth proportional to 71,428,230.80, 107,167,229.40 and 31,067,680.40 is: 46,612,343.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,428,230.80 : 107,167,229.40 = 31,067,680.40 : x
  2. Step 2: Convert to fraction form
    71,428,230.80/107,167,229.40 = 31,067,680.40/x
  3. Step 3: Cross multiply
    71,428,230.80x = 107,167,229.40 × 31,067,680.40
  4. Step 4: Simplify right side
    71,428,230.80x = 3,329,437,232,352,684
  5. Step 5: Solve for x
    x = 3,329,437,232,352,684/71,428,230.80
  6. Step 6: Final answer
    x = 46,612,343.54

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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.