Home / 131,297,380.56-196,770,012.44-102,186,369.36

Finding the Fourth Proportional to 131,297,380.56, 196,770,012.44 and 102,186,369.36

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Solution

The fourth proportional to 131,297,380.56, 196,770,012.44 and 102,186,369.36 is: 153,142,530.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,297,380.56 : 196,770,012.44 = 102,186,369.36 : x
  2. Step 2: Convert to fraction form
    131,297,380.56/196,770,012.44 = 102,186,369.36/x
  3. Step 3: Cross multiply
    131,297,380.56x = 196,770,012.44 × 102,186,369.36
  4. Step 4: Simplify right side
    131,297,380.56x = 20,107,213,170,165,636
  5. Step 5: Solve for x
    x = 20,107,213,170,165,636/131,297,380.56
  6. Step 6: Final answer
    x = 153,142,530.98

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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.