Home / 397,218,755.12-595,880,194.24-131,236,102.48

Finding the Fourth Proportional to 397,218,755.12, 595,880,194.24 and 131,236,102.48

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Solution

The fourth proportional to 397,218,755.12, 595,880,194.24 and 131,236,102.48 is: 196,871,354.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,218,755.12 : 595,880,194.24 = 131,236,102.48 : x
  2. Step 2: Convert to fraction form
    397,218,755.12/595,880,194.24 = 131,236,102.48/x
  3. Step 3: Cross multiply
    397,218,755.12x = 595,880,194.24 × 131,236,102.48
  4. Step 4: Simplify right side
    397,218,755.12x = 78,200,994,237,082,944
  5. Step 5: Solve for x
    x = 78,200,994,237,082,944/397,218,755.12
  6. Step 6: Final answer
    x = 196,871,354.21

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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.