Home / 188,766,418.75-260,505,776.50-105,134,586.55

Finding the Fourth Proportional to 188,766,418.75, 260,505,776.50 and 105,134,586.55

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Solution

The fourth proportional to 188,766,418.75, 260,505,776.50 and 105,134,586.55 is: 145,090,251.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,766,418.75 : 260,505,776.50 = 105,134,586.55 : x
  2. Step 2: Convert to fraction form
    188,766,418.75/260,505,776.50 = 105,134,586.55/x
  3. Step 3: Cross multiply
    188,766,418.75x = 260,505,776.50 × 105,134,586.55
  4. Step 4: Simplify right side
    188,766,418.75x = 27,388,167,105,300,104
  5. Step 5: Solve for x
    x = 27,388,167,105,300,104/188,766,418.75
  6. Step 6: Final answer
    x = 145,090,251.15

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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.