Home / 248,063,540.22-372,099,256.44-138,098,155.86

Finding the Fourth Proportional to 248,063,540.22, 372,099,256.44 and 138,098,155.86

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Solution

The fourth proportional to 248,063,540.22, 372,099,256.44 and 138,098,155.86 is: 207,149,430.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,063,540.22 : 372,099,256.44 = 138,098,155.86 : x
  2. Step 2: Convert to fraction form
    248,063,540.22/372,099,256.44 = 138,098,155.86/x
  3. Step 3: Cross multiply
    248,063,540.22x = 372,099,256.44 × 138,098,155.86
  4. Step 4: Simplify right side
    248,063,540.22x = 51,386,221,111,241,232
  5. Step 5: Solve for x
    x = 51,386,221,111,241,232/248,063,540.22
  6. Step 6: Final answer
    x = 207,149,430.61

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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.