Home / 177,147,679.20-265,721,518.80-131,231,176.80

Finding the Fourth Proportional to 177,147,679.20, 265,721,518.80 and 131,231,176.80

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Solution

The fourth proportional to 177,147,679.20, 265,721,518.80 and 131,231,176.80 is: 196,846,765.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,147,679.20 : 265,721,518.80 = 131,231,176.80 : x
  2. Step 2: Convert to fraction form
    177,147,679.20/265,721,518.80 = 131,231,176.80/x
  3. Step 3: Cross multiply
    177,147,679.20x = 265,721,518.80 × 131,231,176.80
  4. Step 4: Simplify right side
    177,147,679.20x = 34,870,947,613,207,324
  5. Step 5: Solve for x
    x = 34,870,947,613,207,324/177,147,679.20
  6. Step 6: Final answer
    x = 196,846,765.20

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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.