Home / 199,667,422.26-300,864,010.64-164,073,164.81

Finding the Fourth Proportional to 199,667,422.26, 300,864,010.64 and 164,073,164.81

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Solution

The fourth proportional to 199,667,422.26, 300,864,010.64 and 164,073,164.81 is: 247,229,667.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,667,422.26 : 300,864,010.64 = 164,073,164.81 : x
  2. Step 2: Convert to fraction form
    199,667,422.26/300,864,010.64 = 164,073,164.81/x
  3. Step 3: Cross multiply
    199,667,422.26x = 300,864,010.64 × 164,073,164.81
  4. Step 4: Simplify right side
    199,667,422.26x = 49,363,710,400,809,632
  5. Step 5: Solve for x
    x = 49,363,710,400,809,632/199,667,422.26
  6. Step 6: Final answer
    x = 247,229,667.42

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.