Home / 263,203,067.72-363,231,586.14-145,728,400.52

Finding the Fourth Proportional to 263,203,067.72, 363,231,586.14 and 145,728,400.52

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Solution

The fourth proportional to 263,203,067.72, 363,231,586.14 and 145,728,400.52 is: 201,111,478.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,203,067.72 : 363,231,586.14 = 145,728,400.52 : x
  2. Step 2: Convert to fraction form
    263,203,067.72/363,231,586.14 = 145,728,400.52/x
  3. Step 3: Cross multiply
    263,203,067.72x = 363,231,586.14 × 145,728,400.52
  4. Step 4: Simplify right side
    263,203,067.72x = 52,933,158,066,524,800
  5. Step 5: Solve for x
    x = 52,933,158,066,524,800/263,203,067.72
  6. Step 6: Final answer
    x = 201,111,478.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.