Home / 80,876,619.40-121,314,929.10-50,265,617.80

Finding the Fourth Proportional to 80,876,619.40, 121,314,929.10 and 50,265,617.80

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Solution

The fourth proportional to 80,876,619.40, 121,314,929.10 and 50,265,617.80 is: 75,398,426.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,876,619.40 : 121,314,929.10 = 50,265,617.80 : x
  2. Step 2: Convert to fraction form
    80,876,619.40/121,314,929.10 = 50,265,617.80/x
  3. Step 3: Cross multiply
    80,876,619.40x = 121,314,929.10 × 50,265,617.80
  4. Step 4: Simplify right side
    80,876,619.40x = 6,097,969,859,574,697
  5. Step 5: Solve for x
    x = 6,097,969,859,574,697/80,876,619.40
  6. Step 6: Final answer
    x = 75,398,426.70

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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.