Home / 262,976,040.64-394,517,861.16-90,430,445.44

Finding the Fourth Proportional to 262,976,040.64, 394,517,861.16 and 90,430,445.44

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Solution

The fourth proportional to 262,976,040.64, 394,517,861.16 and 90,430,445.44 is: 135,664,168.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,976,040.64 : 394,517,861.16 = 90,430,445.44 : x
  2. Step 2: Convert to fraction form
    262,976,040.64/394,517,861.16 = 90,430,445.44/x
  3. Step 3: Cross multiply
    262,976,040.64x = 394,517,861.16 × 90,430,445.44
  4. Step 4: Simplify right side
    262,976,040.64x = 35,676,425,918,734,876
  5. Step 5: Solve for x
    x = 35,676,425,918,734,876/262,976,040.64
  6. Step 6: Final answer
    x = 135,664,168.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.