Home / 80,911,236.33-121,341,556.58-27,045,951.21

Finding the Fourth Proportional to 80,911,236.33, 121,341,556.58 and 27,045,951.21

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Solution

The fourth proportional to 80,911,236.33, 121,341,556.58 and 27,045,951.21 is: 40,560,470.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,911,236.33 : 121,341,556.58 = 27,045,951.21 : x
  2. Step 2: Convert to fraction form
    80,911,236.33/121,341,556.58 = 27,045,951.21/x
  3. Step 3: Cross multiply
    80,911,236.33x = 121,341,556.58 × 27,045,951.21
  4. Step 4: Simplify right side
    80,911,236.33x = 3,281,797,818,872,905
  5. Step 5: Solve for x
    x = 3,281,797,818,872,905/80,911,236.33
  6. Step 6: Final answer
    x = 40,560,470.56

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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.