Home / 131,106,640.14-196,717,975.83-68,843,308.14

Finding the Fourth Proportional to 131,106,640.14, 196,717,975.83 and 68,843,308.14

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Solution

The fourth proportional to 131,106,640.14, 196,717,975.83 and 68,843,308.14 is: 103,295,425.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,106,640.14 : 196,717,975.83 = 68,843,308.14 : x
  2. Step 2: Convert to fraction form
    131,106,640.14/196,717,975.83 = 68,843,308.14/x
  3. Step 3: Cross multiply
    131,106,640.14x = 196,717,975.83 × 68,843,308.14
  4. Step 4: Simplify right side
    131,106,640.14x = 13,542,716,226,741,764
  5. Step 5: Solve for x
    x = 13,542,716,226,741,764/131,106,640.14
  6. Step 6: Final answer
    x = 103,295,425.86

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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.