Home / 80,825,888.10-121,315,481.40-50,027,304.43

Finding the Fourth Proportional to 80,825,888.10, 121,315,481.40 and 50,027,304.43

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Solution

The fourth proportional to 80,825,888.10, 121,315,481.40 and 50,027,304.43 is: 75,088,398.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,825,888.10 : 121,315,481.40 = 50,027,304.43 : x
  2. Step 2: Convert to fraction form
    80,825,888.10/121,315,481.40 = 50,027,304.43/x
  3. Step 3: Cross multiply
    80,825,888.10x = 121,315,481.40 × 50,027,304.43
  4. Step 4: Simplify right side
    80,825,888.10x = 6,069,086,520,069,803
  5. Step 5: Solve for x
    x = 6,069,086,520,069,803/80,825,888.10
  6. Step 6: Final answer
    x = 75,088,398.81

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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.