Home / 80,876,067.40-121,314,101.10-50,265,065.80

Finding the Fourth Proportional to 80,876,067.40, 121,314,101.10 and 50,265,065.80

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Solution

The fourth proportional to 80,876,067.40, 121,314,101.10 and 50,265,065.80 is: 75,397,598.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,876,067.40 : 121,314,101.10 = 50,265,065.80 : x
  2. Step 2: Convert to fraction form
    80,876,067.40/121,314,101.10 = 50,265,065.80/x
  3. Step 3: Cross multiply
    80,876,067.40x = 121,314,101.10 × 50,265,065.80
  4. Step 4: Simplify right side
    80,876,067.40x = 6,097,861,274,259,352
  5. Step 5: Solve for x
    x = 6,097,861,274,259,352/80,876,067.40
  6. Step 6: Final answer
    x = 75,397,598.70

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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.