Home / 131,040,012.60-196,560,018.90-40,151,791.80

Finding the Fourth Proportional to 131,040,012.60, 196,560,018.90 and 40,151,791.80

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Solution

The fourth proportional to 131,040,012.60, 196,560,018.90 and 40,151,791.80 is: 60,227,687.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,040,012.60 : 196,560,018.90 = 40,151,791.80 : x
  2. Step 2: Convert to fraction form
    131,040,012.60/196,560,018.90 = 40,151,791.80/x
  3. Step 3: Cross multiply
    131,040,012.60x = 196,560,018.90 × 40,151,791.80
  4. Step 4: Simplify right side
    131,040,012.60x = 7,892,236,955,076,865
  5. Step 5: Solve for x
    x = 7,892,236,955,076,865/131,040,012.60
  6. Step 6: Final answer
    x = 60,227,687.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.