Home / 231,370,175.95-319,296,718.25-126,948,219.60

Finding the Fourth Proportional to 231,370,175.95, 319,296,718.25 and 126,948,219.60

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Solution

The fourth proportional to 231,370,175.95, 319,296,718.25 and 126,948,219.60 is: 175,191,766.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,370,175.95 : 319,296,718.25 = 126,948,219.60 : x
  2. Step 2: Convert to fraction form
    231,370,175.95/319,296,718.25 = 126,948,219.60/x
  3. Step 3: Cross multiply
    231,370,175.95x = 319,296,718.25 × 126,948,219.60
  4. Step 4: Simplify right side
    231,370,175.95x = 40,534,149,904,128,224
  5. Step 5: Solve for x
    x = 40,534,149,904,128,224/231,370,175.95
  6. Step 6: Final answer
    x = 175,191,766.78

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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.