Home / 397,218,759.12-595,880,200.32-131,236,106.52

Finding the Fourth Proportional to 397,218,759.12, 595,880,200.32 and 131,236,106.52

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Solution

The fourth proportional to 397,218,759.12, 595,880,200.32 and 131,236,106.52 is: 196,871,360.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,218,759.12 : 595,880,200.32 = 131,236,106.52 : x
  2. Step 2: Convert to fraction form
    397,218,759.12/595,880,200.32 = 131,236,106.52/x
  3. Step 3: Cross multiply
    397,218,759.12x = 595,880,200.32 × 131,236,106.52
  4. Step 4: Simplify right side
    397,218,759.12x = 78,200,997,442,354,464
  5. Step 5: Solve for x
    x = 78,200,997,442,354,464/397,218,759.12
  6. Step 6: Final answer
    x = 196,871,360.29

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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.