Home / 231,413,185.90-319,334,474.21-126,997,983.27

Finding the Fourth Proportional to 231,413,185.90, 319,334,474.21 and 126,997,983.27

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Solution

The fourth proportional to 231,413,185.90, 319,334,474.21 and 126,997,983.27 is: 175,248,588.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,413,185.90 : 319,334,474.21 = 126,997,983.27 : x
  2. Step 2: Convert to fraction form
    231,413,185.90/319,334,474.21 = 126,997,983.27/x
  3. Step 3: Cross multiply
    231,413,185.90x = 319,334,474.21 × 126,997,983.27
  4. Step 4: Simplify right side
    231,413,185.90x = 40,554,834,212,620,832
  5. Step 5: Solve for x
    x = 40,554,834,212,620,832/231,413,185.90
  6. Step 6: Final answer
    x = 175,248,588.60

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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.