Home / 231,226,776-319,063,623.21-126,777,361.86

Finding the Fourth Proportional to 231,226,776, 319,063,623.21 and 126,777,361.86

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Solution

The fourth proportional to 231,226,776, 319,063,623.21 and 126,777,361.86 is: 174,936,679.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,226,776 : 319,063,623.21 = 126,777,361.86 : x
  2. Step 2: Convert to fraction form
    231,226,776/319,063,623.21 = 126,777,361.86/x
  3. Step 3: Cross multiply
    231,226,776x = 319,063,623.21 × 126,777,361.86
  4. Step 4: Simplify right side
    231,226,776x = 40,450,044,416,056,864
  5. Step 5: Solve for x
    x = 40,450,044,416,056,864/231,226,776
  6. Step 6: Final answer
    x = 174,936,679.55

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1.5x scale

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.