Home / 39,892,449.20-55,049,207.31-23,145,891.39

Finding the Fourth Proportional to 39,892,449.20, 55,049,207.31 and 23,145,891.39

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Solution

The fourth proportional to 39,892,449.20, 55,049,207.31 and 23,145,891.39 is: 31,939,953.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,892,449.20 : 55,049,207.31 = 23,145,891.39 : x
  2. Step 2: Convert to fraction form
    39,892,449.20/55,049,207.31 = 23,145,891.39/x
  3. Step 3: Cross multiply
    39,892,449.20x = 55,049,207.31 × 23,145,891.39
  4. Step 4: Simplify right side
    39,892,449.20x = 1,274,162,973,502,854.25
  5. Step 5: Solve for x
    x = 1,274,162,973,502,854.25/39,892,449.20
  6. Step 6: Final answer
    x = 31,939,953.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.