Home / 177,143,781.40-265,715,672.10-108,764,747.80

Finding the Fourth Proportional to 177,143,781.40, 265,715,672.10 and 108,764,747.80

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Solution

The fourth proportional to 177,143,781.40, 265,715,672.10 and 108,764,747.80 is: 163,147,121.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,143,781.40 : 265,715,672.10 = 108,764,747.80 : x
  2. Step 2: Convert to fraction form
    177,143,781.40/265,715,672.10 = 108,764,747.80/x
  3. Step 3: Cross multiply
    177,143,781.40x = 265,715,672.10 × 108,764,747.80
  4. Step 4: Simplify right side
    177,143,781.40x = 28,900,498,062,463,996
  5. Step 5: Solve for x
    x = 28,900,498,062,463,996/177,143,781.40
  6. Step 6: Final answer
    x = 163,147,121.70

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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.