Home / 206,530,587.48-309,682,429.38-141,850,666.20

Finding the Fourth Proportional to 206,530,587.48, 309,682,429.38 and 141,850,666.20

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Solution

The fourth proportional to 206,530,587.48, 309,682,429.38 and 141,850,666.20 is: 212,698,077.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,530,587.48 : 309,682,429.38 = 141,850,666.20 : x
  2. Step 2: Convert to fraction form
    206,530,587.48/309,682,429.38 = 141,850,666.20/x
  3. Step 3: Cross multiply
    206,530,587.48x = 309,682,429.38 × 141,850,666.20
  4. Step 4: Simplify right side
    206,530,587.48x = 43,928,658,917,987,448
  5. Step 5: Solve for x
    x = 43,928,658,917,987,448/206,530,587.48
  6. Step 6: Final answer
    x = 212,698,077.58

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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.