Home / 131,297,381.56-196,770,013.94-102,186,370.36

Finding the Fourth Proportional to 131,297,381.56, 196,770,013.94 and 102,186,370.36

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Solution

The fourth proportional to 131,297,381.56, 196,770,013.94 and 102,186,370.36 is: 153,142,532.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,297,381.56 : 196,770,013.94 = 102,186,370.36 : x
  2. Step 2: Convert to fraction form
    131,297,381.56/196,770,013.94 = 102,186,370.36/x
  3. Step 3: Cross multiply
    131,297,381.56x = 196,770,013.94 × 102,186,370.36
  4. Step 4: Simplify right side
    131,297,381.56x = 20,107,213,520,215,204
  5. Step 5: Solve for x
    x = 20,107,213,520,215,204/131,297,381.56
  6. Step 6: Final answer
    x = 153,142,532.48

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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.