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Finding the Fourth Proportional to 170,286,268.80, 255,462,580.80 and 68,032,905.60

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Solution

The fourth proportional to 170,286,268.80, 255,462,580.80 and 68,032,905.60 is: 102,062,613.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,286,268.80 : 255,462,580.80 = 68,032,905.60 : x
  2. Step 2: Convert to fraction form
    170,286,268.80/255,462,580.80 = 68,032,905.60/x
  3. Step 3: Cross multiply
    170,286,268.80x = 255,462,580.80 × 68,032,905.60
  4. Step 4: Simplify right side
    170,286,268.80x = 17,379,861,643,898,772
  5. Step 5: Solve for x
    x = 17,379,861,643,898,772/170,286,268.80
  6. Step 6: Final answer
    x = 102,062,613.54

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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.