Home / 80,819,385.75-121,230,128.52-26,966,697.75

Finding the Fourth Proportional to 80,819,385.75, 121,230,128.52 and 26,966,697.75

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Solution

The fourth proportional to 80,819,385.75, 121,230,128.52 and 26,966,697.75 is: 40,450,396.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,819,385.75 : 121,230,128.52 = 26,966,697.75 : x
  2. Step 2: Convert to fraction form
    80,819,385.75/121,230,128.52 = 26,966,697.75/x
  3. Step 3: Cross multiply
    80,819,385.75x = 121,230,128.52 × 26,966,697.75
  4. Step 4: Simplify right side
    80,819,385.75x = 3,269,176,233,992,494.50
  5. Step 5: Solve for x
    x = 3,269,176,233,992,494.50/80,819,385.75
  6. Step 6: Final answer
    x = 40,450,396.94

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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.