Home / 189,550,918.27-261,575,249.47-105,919,736.10

Finding the Fourth Proportional to 189,550,918.27, 261,575,249.47 and 105,919,736.10

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Solution

The fourth proportional to 189,550,918.27, 261,575,249.47 and 105,919,736.10 is: 146,166,431.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,550,918.27 : 261,575,249.47 = 105,919,736.10 : x
  2. Step 2: Convert to fraction form
    189,550,918.27/261,575,249.47 = 105,919,736.10/x
  3. Step 3: Cross multiply
    189,550,918.27x = 261,575,249.47 × 105,919,736.10
  4. Step 4: Simplify right side
    189,550,918.27x = 27,705,981,394,286,464
  5. Step 5: Solve for x
    x = 27,705,981,394,286,464/189,550,918.27
  6. Step 6: Final answer
    x = 146,166,431.94

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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.