Home / 231,413,190.39-319,334,480.42-126,997,987.77

Finding the Fourth Proportional to 231,413,190.39, 319,334,480.42 and 126,997,987.77

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Solution

The fourth proportional to 231,413,190.39, 319,334,480.42 and 126,997,987.77 is: 175,248,594.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,413,190.39 : 319,334,480.42 = 126,997,987.77 : x
  2. Step 2: Convert to fraction form
    231,413,190.39/319,334,480.42 = 126,997,987.77/x
  3. Step 3: Cross multiply
    231,413,190.39x = 319,334,480.42 × 126,997,987.77
  4. Step 4: Simplify right side
    231,413,190.39x = 40,554,836,438,283,472
  5. Step 5: Solve for x
    x = 40,554,836,438,283,472/231,413,190.39
  6. Step 6: Final answer
    x = 175,248,594.82

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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.