Home / 190,906,085.82-263,442,982.32-116,690,907.87

Finding the Fourth Proportional to 190,906,085.82, 263,442,982.32 and 116,690,907.87

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Solution

The fourth proportional to 190,906,085.82, 263,442,982.32 and 116,690,907.87 is: 161,028,919.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,906,085.82 : 263,442,982.32 = 116,690,907.87 : x
  2. Step 2: Convert to fraction form
    190,906,085.82/263,442,982.32 = 116,690,907.87/x
  3. Step 3: Cross multiply
    190,906,085.82x = 263,442,982.32 × 116,690,907.87
  4. Step 4: Simplify right side
    190,906,085.82x = 30,741,400,778,901,160
  5. Step 5: Solve for x
    x = 30,741,400,778,901,160/190,906,085.82
  6. Step 6: Final answer
    x = 161,028,919.78

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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.