Home / 206,960,388.40-285,533,212.50-132,661,918.48

Finding the Fourth Proportional to 206,960,388.40, 285,533,212.50 and 132,661,918.48

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Solution

The fourth proportional to 206,960,388.40, 285,533,212.50 and 132,661,918.48 is: 183,027,216.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,960,388.40 : 285,533,212.50 = 132,661,918.48 : x
  2. Step 2: Convert to fraction form
    206,960,388.40/285,533,212.50 = 132,661,918.48/x
  3. Step 3: Cross multiply
    206,960,388.40x = 285,533,212.50 × 132,661,918.48
  4. Step 4: Simplify right side
    206,960,388.40x = 37,879,383,760,007,520
  5. Step 5: Solve for x
    x = 37,879,383,760,007,520/206,960,388.40
  6. Step 6: Final answer
    x = 183,027,216.24

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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.