Home / 144,840,195.90-199,873,388.32-82,120,514.29

Finding the Fourth Proportional to 144,840,195.90, 199,873,388.32 and 82,120,514.29

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Solution

The fourth proportional to 144,840,195.90, 199,873,388.32 and 82,120,514.29 is: 113,322,861.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,840,195.90 : 199,873,388.32 = 82,120,514.29 : x
  2. Step 2: Convert to fraction form
    144,840,195.90/199,873,388.32 = 82,120,514.29/x
  3. Step 3: Cross multiply
    144,840,195.90x = 199,873,388.32 × 82,120,514.29
  4. Step 4: Simplify right side
    144,840,195.90x = 16,413,705,441,723,280
  5. Step 5: Solve for x
    x = 16,413,705,441,723,280/144,840,195.90
  6. Step 6: Final answer
    x = 113,322,861.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.