Home / 170,322,315.84-255,504,720.87-66,678,133.23

Finding the Fourth Proportional to 170,322,315.84, 255,504,720.87 and 66,678,133.23

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Solution

The fourth proportional to 170,322,315.84, 255,504,720.87 and 66,678,133.23 is: 100,025,517.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,322,315.84 : 255,504,720.87 = 66,678,133.23 : x
  2. Step 2: Convert to fraction form
    170,322,315.84/255,504,720.87 = 66,678,133.23/x
  3. Step 3: Cross multiply
    170,322,315.84x = 255,504,720.87 × 66,678,133.23
  4. Step 4: Simplify right side
    170,322,315.84x = 17,036,577,819,063,820
  5. Step 5: Solve for x
    x = 17,036,577,819,063,820/170,322,315.84
  6. Step 6: Final answer
    x = 100,025,517.71

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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.