Home / 155,131,379.44-214,082,780.04-85,519,257.04

Finding the Fourth Proportional to 155,131,379.44, 214,082,780.04 and 85,519,257.04

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Solution

The fourth proportional to 155,131,379.44, 214,082,780.04 and 85,519,257.04 is: 118,017,388.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,131,379.44 : 214,082,780.04 = 85,519,257.04 : x
  2. Step 2: Convert to fraction form
    155,131,379.44/214,082,780.04 = 85,519,257.04/x
  3. Step 3: Cross multiply
    155,131,379.44x = 214,082,780.04 × 85,519,257.04
  4. Step 4: Simplify right side
    155,131,379.44x = 18,308,200,294,078,544
  5. Step 5: Solve for x
    x = 18,308,200,294,078,544/155,131,379.44
  6. Step 6: Final answer
    x = 118,017,388.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.