Home / 138,770,096.43-191,523,127.14-80,021,286.75

Finding the Fourth Proportional to 138,770,096.43, 191,523,127.14 and 80,021,286.75

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Solution

The fourth proportional to 138,770,096.43, 191,523,127.14 and 80,021,286.75 is: 110,441,135.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,770,096.43 : 191,523,127.14 = 80,021,286.75 : x
  2. Step 2: Convert to fraction form
    138,770,096.43/191,523,127.14 = 80,021,286.75/x
  3. Step 3: Cross multiply
    138,770,096.43x = 191,523,127.14 × 80,021,286.75
  4. Step 4: Simplify right side
    138,770,096.43x = 15,325,927,076,126,646
  5. Step 5: Solve for x
    x = 15,325,927,076,126,646/138,770,096.43
  6. Step 6: Final answer
    x = 110,441,135.88

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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.