Home / 231,486,664.56-319,306,287.89-137,334,153.53

Finding the Fourth Proportional to 231,486,664.56, 319,306,287.89 and 137,334,153.53

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Solution

The fourth proportional to 231,486,664.56, 319,306,287.89 and 137,334,153.53 is: 189,434,924.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,486,664.56 : 319,306,287.89 = 137,334,153.53 : x
  2. Step 2: Convert to fraction form
    231,486,664.56/319,306,287.89 = 137,334,153.53/x
  3. Step 3: Cross multiply
    231,486,664.56x = 319,306,287.89 × 137,334,153.53
  4. Step 4: Simplify right side
    231,486,664.56x = 43,851,658,762,753,104
  5. Step 5: Solve for x
    x = 43,851,658,762,753,104/231,486,664.56
  6. Step 6: Final answer
    x = 189,434,924.24

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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.