Home / 131,993,777.20-198,179,622.60-74,598,149.20

Finding the Fourth Proportional to 131,993,777.20, 198,179,622.60 and 74,598,149.20

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Solution

The fourth proportional to 131,993,777.20, 198,179,622.60 and 74,598,149.20 is: 112,004,015.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,993,777.20 : 198,179,622.60 = 74,598,149.20 : x
  2. Step 2: Convert to fraction form
    131,993,777.20/198,179,622.60 = 74,598,149.20/x
  3. Step 3: Cross multiply
    131,993,777.20x = 198,179,622.60 × 74,598,149.20
  4. Step 4: Simplify right side
    131,993,777.20x = 14,783,833,055,114,492
  5. Step 5: Solve for x
    x = 14,783,833,055,114,492/131,993,777.20
  6. Step 6: Final answer
    x = 112,004,015.41

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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.