Home / 212,743,704.20-319,115,556.30-176,463,998.60

Finding the Fourth Proportional to 212,743,704.20, 319,115,556.30 and 176,463,998.60

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Solution

The fourth proportional to 212,743,704.20, 319,115,556.30 and 176,463,998.60 is: 264,695,997.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,743,704.20 : 319,115,556.30 = 176,463,998.60 : x
  2. Step 2: Convert to fraction form
    212,743,704.20/319,115,556.30 = 176,463,998.60/x
  3. Step 3: Cross multiply
    212,743,704.20x = 319,115,556.30 × 176,463,998.60
  4. Step 4: Simplify right side
    212,743,704.20x = 56,312,407,080,161,424
  5. Step 5: Solve for x
    x = 56,312,407,080,161,424/212,743,704.20
  6. Step 6: Final answer
    x = 264,695,997.90

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1.5x scale

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.