Home / 177,313,942.53-265,740,213.24-72,146,724.21

Finding the Fourth Proportional to 177,313,942.53, 265,740,213.24 and 72,146,724.21

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Solution

The fourth proportional to 177,313,942.53, 265,740,213.24 and 72,146,724.21 is: 108,126,217.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,313,942.53 : 265,740,213.24 = 72,146,724.21 : x
  2. Step 2: Convert to fraction form
    177,313,942.53/265,740,213.24 = 72,146,724.21/x
  3. Step 3: Cross multiply
    177,313,942.53x = 265,740,213.24 × 72,146,724.21
  4. Step 4: Simplify right side
    177,313,942.53x = 19,172,285,876,132,868
  5. Step 5: Solve for x
    x = 19,172,285,876,132,868/177,313,942.53
  6. Step 6: Final answer
    x = 108,126,217.28

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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.