Home / 215,127,105.53-322,747,050.26-67,568,705.13

Finding the Fourth Proportional to 215,127,105.53, 322,747,050.26 and 67,568,705.13

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Solution

The fourth proportional to 215,127,105.53, 322,747,050.26 and 67,568,705.13 is: 101,370,769.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,127,105.53 : 322,747,050.26 = 67,568,705.13 : x
  2. Step 2: Convert to fraction form
    215,127,105.53/322,747,050.26 = 67,568,705.13/x
  3. Step 3: Cross multiply
    215,127,105.53x = 322,747,050.26 × 67,568,705.13
  4. Step 4: Simplify right side
    215,127,105.53x = 21,807,600,271,974,456
  5. Step 5: Solve for x
    x = 21,807,600,271,974,456/215,127,105.53
  6. Step 6: Final answer
    x = 101,370,769.71

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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.