Home / 177,143,375.20-265,715,062.80-131,793,743.20

Finding the Fourth Proportional to 177,143,375.20, 265,715,062.80 and 131,793,743.20

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Solution

The fourth proportional to 177,143,375.20, 265,715,062.80 and 131,793,743.20 is: 197,690,614.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,143,375.20 : 265,715,062.80 = 131,793,743.20 : x
  2. Step 2: Convert to fraction form
    177,143,375.20/265,715,062.80 = 131,793,743.20/x
  3. Step 3: Cross multiply
    177,143,375.20x = 265,715,062.80 × 131,793,743.20
  4. Step 4: Simplify right side
    177,143,375.20x = 35,019,582,751,035,076
  5. Step 5: Solve for x
    x = 35,019,582,751,035,076/177,143,375.20
  6. Step 6: Final answer
    x = 197,690,614.80

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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.