Home / 155,131,375.44-214,082,774.52-85,519,253.04

Finding the Fourth Proportional to 155,131,375.44, 214,082,774.52 and 85,519,253.04

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Solution

The fourth proportional to 155,131,375.44, 214,082,774.52 and 85,519,253.04 is: 118,017,383.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,131,375.44 : 214,082,774.52 = 85,519,253.04 : x
  2. Step 2: Convert to fraction form
    155,131,375.44/214,082,774.52 = 85,519,253.04/x
  3. Step 3: Cross multiply
    155,131,375.44x = 214,082,774.52 × 85,519,253.04
  4. Step 4: Simplify right side
    155,131,375.44x = 18,308,198,965,681,148
  5. Step 5: Solve for x
    x = 18,308,198,965,681,148/155,131,375.44
  6. Step 6: Final answer
    x = 118,017,383.10

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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.