Home / 260,439,861.28-359,405,589.88-142,967,190.64

Finding the Fourth Proportional to 260,439,861.28, 359,405,589.88 and 142,967,190.64

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Solution

The fourth proportional to 260,439,861.28, 359,405,589.88 and 142,967,190.64 is: 197,293,944.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,439,861.28 : 359,405,589.88 = 142,967,190.64 : x
  2. Step 2: Convert to fraction form
    260,439,861.28/359,405,589.88 = 142,967,190.64/x
  3. Step 3: Cross multiply
    260,439,861.28x = 359,405,589.88 × 142,967,190.64
  4. Step 4: Simplify right side
    260,439,861.28x = 51,383,207,485,455,608
  5. Step 5: Solve for x
    x = 51,383,207,485,455,608/260,439,861.28
  6. Step 6: Final answer
    x = 197,293,944.30

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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.