Home / 269,658,739.79-372,023,180.71-156,608,987.23

Finding the Fourth Proportional to 269,658,739.79, 372,023,180.71 and 156,608,987.23

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Solution

The fourth proportional to 269,658,739.79, 372,023,180.71 and 156,608,987.23 is: 216,058,910.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,658,739.79 : 372,023,180.71 = 156,608,987.23 : x
  2. Step 2: Convert to fraction form
    269,658,739.79/372,023,180.71 = 156,608,987.23/x
  3. Step 3: Cross multiply
    269,658,739.79x = 372,023,180.71 × 156,608,987.23
  4. Step 4: Simplify right side
    269,658,739.79x = 58,262,173,556,293,320
  5. Step 5: Solve for x
    x = 58,262,173,556,293,320/269,658,739.79
  6. Step 6: Final answer
    x = 216,058,910.61

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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.