Home / 155,131,377.94-214,082,777.97-85,519,255.54

Finding the Fourth Proportional to 155,131,377.94, 214,082,777.97 and 85,519,255.54

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Solution

The fourth proportional to 155,131,377.94, 214,082,777.97 and 85,519,255.54 is: 118,017,386.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,131,377.94 : 214,082,777.97 = 85,519,255.54 : x
  2. Step 2: Convert to fraction form
    155,131,377.94/214,082,777.97 = 85,519,255.54/x
  3. Step 3: Cross multiply
    155,131,377.94x = 214,082,777.97 × 85,519,255.54
  4. Step 4: Simplify right side
    155,131,377.94x = 18,308,199,795,929,512
  5. Step 5: Solve for x
    x = 18,308,199,795,929,512/155,131,377.94
  6. Step 6: Final answer
    x = 118,017,386.55

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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.