Home / 80,751,987.72-121,147,073.82-26,164,481.76

Finding the Fourth Proportional to 80,751,987.72, 121,147,073.82 and 26,164,481.76

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Solution

The fourth proportional to 80,751,987.72, 121,147,073.82 and 26,164,481.76 is: 39,252,908.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,751,987.72 : 121,147,073.82 = 26,164,481.76 : x
  2. Step 2: Convert to fraction form
    80,751,987.72/121,147,073.82 = 26,164,481.76/x
  3. Step 3: Cross multiply
    80,751,987.72x = 121,147,073.82 × 26,164,481.76
  4. Step 4: Simplify right side
    80,751,987.72x = 3,169,750,403,240,763.50
  5. Step 5: Solve for x
    x = 3,169,750,403,240,763.50/80,751,987.72
  6. Step 6: Final answer
    x = 39,252,908.72

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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.