Home / 141,074,135.20-211,349,929.20-80,309,360.80

Finding the Fourth Proportional to 141,074,135.20, 211,349,929.20 and 80,309,360.80

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Solution

The fourth proportional to 141,074,135.20, 211,349,929.20 and 80,309,360.80 is: 120,315,305.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,074,135.20 : 211,349,929.20 = 80,309,360.80 : x
  2. Step 2: Convert to fraction form
    141,074,135.20/211,349,929.20 = 80,309,360.80/x
  3. Step 3: Cross multiply
    141,074,135.20x = 211,349,929.20 × 80,309,360.80
  4. Step 4: Simplify right side
    141,074,135.20x = 16,973,377,719,177,254
  5. Step 5: Solve for x
    x = 16,973,377,719,177,254/141,074,135.20
  6. Step 6: Final answer
    x = 120,315,305.82

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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.