Home / 170,256,485.20-255,384,727.80-155,728,216.87

Finding the Fourth Proportional to 170,256,485.20, 255,384,727.80 and 155,728,216.87

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Solution

The fourth proportional to 170,256,485.20, 255,384,727.80 and 155,728,216.87 is: 233,592,325.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,256,485.20 : 255,384,727.80 = 155,728,216.87 : x
  2. Step 2: Convert to fraction form
    170,256,485.20/255,384,727.80 = 155,728,216.87/x
  3. Step 3: Cross multiply
    170,256,485.20x = 255,384,727.80 × 155,728,216.87
  4. Step 4: Simplify right side
    170,256,485.20x = 39,770,608,274,847,400
  5. Step 5: Solve for x
    x = 39,770,608,274,847,400/170,256,485.20
  6. Step 6: Final answer
    x = 233,592,325.30

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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.