Home / 136,173,721.20-204,260,581.80-120,017,914.80

Finding the Fourth Proportional to 136,173,721.20, 204,260,581.80 and 120,017,914.80

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Solution

The fourth proportional to 136,173,721.20, 204,260,581.80 and 120,017,914.80 is: 180,026,872.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,173,721.20 : 204,260,581.80 = 120,017,914.80 : x
  2. Step 2: Convert to fraction form
    136,173,721.20/204,260,581.80 = 120,017,914.80/x
  3. Step 3: Cross multiply
    136,173,721.20x = 204,260,581.80 × 120,017,914.80
  4. Step 4: Simplify right side
    136,173,721.20x = 24,514,929,103,470,832
  5. Step 5: Solve for x
    x = 24,514,929,103,470,832/136,173,721.20
  6. Step 6: Final answer
    x = 180,026,872.20

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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.