Home / 171,056,305.40-256,584,458.10-168,505,388.60

Finding the Fourth Proportional to 171,056,305.40, 256,584,458.10 and 168,505,388.60

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Solution

The fourth proportional to 171,056,305.40, 256,584,458.10 and 168,505,388.60 is: 252,758,082.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,056,305.40 : 256,584,458.10 = 168,505,388.60 : x
  2. Step 2: Convert to fraction form
    171,056,305.40/256,584,458.10 = 168,505,388.60/x
  3. Step 3: Cross multiply
    171,056,305.40x = 256,584,458.10 × 168,505,388.60
  4. Step 4: Simplify right side
    171,056,305.40x = 43,235,863,820,860,912
  5. Step 5: Solve for x
    x = 43,235,863,820,860,912/171,056,305.40
  6. Step 6: Final answer
    x = 252,758,082.90

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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.