Home / 71,428,278.80-107,167,301.40-31,067,728.40

Finding the Fourth Proportional to 71,428,278.80, 107,167,301.40 and 31,067,728.40

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Solution

The fourth proportional to 71,428,278.80, 107,167,301.40 and 31,067,728.40 is: 46,612,415.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,428,278.80 : 107,167,301.40 = 31,067,728.40 : x
  2. Step 2: Convert to fraction form
    71,428,278.80/107,167,301.40 = 31,067,728.40/x
  3. Step 3: Cross multiply
    71,428,278.80x = 107,167,301.40 × 31,067,728.40
  4. Step 4: Simplify right side
    71,428,278.80x = 3,329,444,613,256,140
  5. Step 5: Solve for x
    x = 3,329,444,613,256,140/71,428,278.80
  6. Step 6: Final answer
    x = 46,612,415.55

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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.