Home / 217,159,328.80-325,786,232.40-71,568,114.40

Finding the Fourth Proportional to 217,159,328.80, 325,786,232.40 and 71,568,114.40

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Solution

The fourth proportional to 217,159,328.80, 325,786,232.40 and 71,568,114.40 is: 107,367,739.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,159,328.80 : 325,786,232.40 = 71,568,114.40 : x
  2. Step 2: Convert to fraction form
    217,159,328.80/325,786,232.40 = 71,568,114.40/x
  3. Step 3: Cross multiply
    217,159,328.80x = 325,786,232.40 × 71,568,114.40
  4. Step 4: Simplify right side
    217,159,328.80x = 23,315,906,350,348,188
  5. Step 5: Solve for x
    x = 23,315,906,350,348,188/217,159,328.80
  6. Step 6: Final answer
    x = 107,367,739.99

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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.