Home / 133,105,067.24-199,661,668.30-45,665,357.68

Finding the Fourth Proportional to 133,105,067.24, 199,661,668.30 and 45,665,357.68

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Solution

The fourth proportional to 133,105,067.24, 199,661,668.30 and 45,665,357.68 is: 68,499,431.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,105,067.24 : 199,661,668.30 = 45,665,357.68 : x
  2. Step 2: Convert to fraction form
    133,105,067.24/199,661,668.30 = 45,665,357.68/x
  3. Step 3: Cross multiply
    133,105,067.24x = 199,661,668.30 × 45,665,357.68
  4. Step 4: Simplify right side
    133,105,067.24x = 9,117,621,497,905,018
  5. Step 5: Solve for x
    x = 9,117,621,497,905,018/133,105,067.24
  6. Step 6: Final answer
    x = 68,499,431.97

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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.