Home / 231,413,188.89-319,334,478.33-126,997,986.27

Finding the Fourth Proportional to 231,413,188.89, 319,334,478.33 and 126,997,986.27

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Solution

The fourth proportional to 231,413,188.89, 319,334,478.33 and 126,997,986.27 is: 175,248,592.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,413,188.89 : 319,334,478.33 = 126,997,986.27 : x
  2. Step 2: Convert to fraction form
    231,413,188.89/319,334,478.33 = 126,997,986.27/x
  3. Step 3: Cross multiply
    231,413,188.89x = 319,334,478.33 × 126,997,986.27
  4. Step 4: Simplify right side
    231,413,188.89x = 40,554,835,694,490,952
  5. Step 5: Solve for x
    x = 40,554,835,694,490,952/231,413,188.89
  6. Step 6: Final answer
    x = 175,248,592.74

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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.