Home / 231,227,121.44-319,064,099.88-126,777,707.36

Finding the Fourth Proportional to 231,227,121.44, 319,064,099.88 and 126,777,707.36

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Solution

The fourth proportional to 231,227,121.44, 319,064,099.88 and 126,777,707.36 is: 174,937,156.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,227,121.44 : 319,064,099.88 = 126,777,707.36 : x
  2. Step 2: Convert to fraction form
    231,227,121.44/319,064,099.88 = 126,777,707.36/x
  3. Step 3: Cross multiply
    231,227,121.44x = 319,064,099.88 × 126,777,707.36
  4. Step 4: Simplify right side
    231,227,121.44x = 40,450,215,083,668,448
  5. Step 5: Solve for x
    x = 40,450,215,083,668,448/231,227,121.44
  6. Step 6: Final answer
    x = 174,937,156.30

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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.