Home / 80,637,481.20-120,922,590.51-25,291,056.71

Finding the Fourth Proportional to 80,637,481.20, 120,922,590.51 and 25,291,056.71

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Solution

The fourth proportional to 80,637,481.20, 120,922,590.51 and 25,291,056.71 is: 37,926,036.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,637,481.20 : 120,922,590.51 = 25,291,056.71 : x
  2. Step 2: Convert to fraction form
    80,637,481.20/120,922,590.51 = 25,291,056.71/x
  3. Step 3: Cross multiply
    80,637,481.20x = 120,922,590.51 × 25,291,056.71
  4. Step 4: Simplify right side
    80,637,481.20x = 3,058,260,093,869,439
  5. Step 5: Solve for x
    x = 3,058,260,093,869,439/80,637,481.20
  6. Step 6: Final answer
    x = 37,926,036.98

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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.