Home / 231,413,190.90-319,334,481.08-126,997,988.28

Finding the Fourth Proportional to 231,413,190.90, 319,334,481.08 and 126,997,988.28

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Solution

The fourth proportional to 231,413,190.90, 319,334,481.08 and 126,997,988.28 is: 175,248,595.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,413,190.90 : 319,334,481.08 = 126,997,988.28 : x
  2. Step 2: Convert to fraction form
    231,413,190.90/319,334,481.08 = 126,997,988.28/x
  3. Step 3: Cross multiply
    231,413,190.90x = 319,334,481.08 × 126,997,988.28
  4. Step 4: Simplify right side
    231,413,190.90x = 40,554,836,685,597,720
  5. Step 5: Solve for x
    x = 40,554,836,685,597,720/231,413,190.90
  6. Step 6: Final answer
    x = 175,248,595.50

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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.