Home / 151,784,736.39-209,463,408.09-82,169,951.19

Finding the Fourth Proportional to 151,784,736.39, 209,463,408.09 and 82,169,951.19

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Solution

The fourth proportional to 151,784,736.39, 209,463,408.09 and 82,169,951.19 is: 113,394,788.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,784,736.39 : 209,463,408.09 = 82,169,951.19 : x
  2. Step 2: Convert to fraction form
    151,784,736.39/209,463,408.09 = 82,169,951.19/x
  3. Step 3: Cross multiply
    151,784,736.39x = 209,463,408.09 × 82,169,951.19
  4. Step 4: Simplify right side
    151,784,736.39x = 17,211,598,018,846,350
  5. Step 5: Solve for x
    x = 17,211,598,018,846,350/151,784,736.39
  6. Step 6: Final answer
    x = 113,394,788.09

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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.