Home / 321,770,847.20-482,660,755.36-91,739,932.16

Finding the Fourth Proportional to 321,770,847.20, 482,660,755.36 and 91,739,932.16

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Solution

The fourth proportional to 321,770,847.20, 482,660,755.36 and 91,739,932.16 is: 137,611,176.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,770,847.20 : 482,660,755.36 = 91,739,932.16 : x
  2. Step 2: Convert to fraction form
    321,770,847.20/482,660,755.36 = 91,739,932.16/x
  3. Step 3: Cross multiply
    321,770,847.20x = 482,660,755.36 × 91,739,932.16
  4. Step 4: Simplify right side
    321,770,847.20x = 44,279,264,950,378,104
  5. Step 5: Solve for x
    x = 44,279,264,950,378,104/321,770,847.20
  6. Step 6: Final answer
    x = 137,611,176.82

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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.