Home / 206,530,584.48-309,682,424.88-141,850,663.20

Finding the Fourth Proportional to 206,530,584.48, 309,682,424.88 and 141,850,663.20

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Solution

The fourth proportional to 206,530,584.48, 309,682,424.88 and 141,850,663.20 is: 212,698,073.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,530,584.48 : 309,682,424.88 = 141,850,663.20 : x
  2. Step 2: Convert to fraction form
    206,530,584.48/309,682,424.88 = 141,850,663.20/x
  3. Step 3: Cross multiply
    206,530,584.48x = 309,682,424.88 × 141,850,663.20
  4. Step 4: Simplify right side
    206,530,584.48x = 43,928,657,350,612,176
  5. Step 5: Solve for x
    x = 43,928,657,350,612,176/206,530,584.48
  6. Step 6: Final answer
    x = 212,698,073.08

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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.