Home / 102,691,904.49-154,005,305.06-33,588,729.68

Finding the Fourth Proportional to 102,691,904.49, 154,005,305.06 and 33,588,729.68

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Solution

The fourth proportional to 102,691,904.49, 154,005,305.06 and 33,588,729.68 is: 50,372,447.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,691,904.49 : 154,005,305.06 = 33,588,729.68 : x
  2. Step 2: Convert to fraction form
    102,691,904.49/154,005,305.06 = 33,588,729.68/x
  3. Step 3: Cross multiply
    102,691,904.49x = 154,005,305.06 × 33,588,729.68
  4. Step 4: Simplify right side
    102,691,904.49x = 5,172,842,560,260,221
  5. Step 5: Solve for x
    x = 5,172,842,560,260,221/102,691,904.49
  6. Step 6: Final answer
    x = 50,372,447.43

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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.