Home / 81,150,671.20-121,737,377.04-26,567,528.80

Finding the Fourth Proportional to 81,150,671.20, 121,737,377.04 and 26,567,528.80

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Solution

The fourth proportional to 81,150,671.20, 121,737,377.04 and 26,567,528.80 is: 39,855,015.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,150,671.20 : 121,737,377.04 = 26,567,528.80 : x
  2. Step 2: Convert to fraction form
    81,150,671.20/121,737,377.04 = 26,567,528.80/x
  3. Step 3: Cross multiply
    81,150,671.20x = 121,737,377.04 × 26,567,528.80
  4. Step 4: Simplify right side
    81,150,671.20x = 3,234,261,270,546,659
  5. Step 5: Solve for x
    x = 3,234,261,270,546,659/81,150,671.20
  6. Step 6: Final answer
    x = 39,855,015.65

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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.