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Finding the Fourth Proportional to 225,992,103.89, 338,991,305.12 and 64,434,039.89

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Solution

The fourth proportional to 225,992,103.89, 338,991,305.12 and 64,434,039.89 is: 96,651,957.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,992,103.89 : 338,991,305.12 = 64,434,039.89 : x
  2. Step 2: Convert to fraction form
    225,992,103.89/338,991,305.12 = 64,434,039.89/x
  3. Step 3: Cross multiply
    225,992,103.89x = 338,991,305.12 × 64,434,039.89
  4. Step 4: Simplify right side
    225,992,103.89x = 21,842,579,276,143,072
  5. Step 5: Solve for x
    x = 21,842,579,276,143,072/225,992,103.89
  6. Step 6: Final answer
    x = 96,651,957.75

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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.