Home / 146,710,520.92-202,465,076.34-80,629,820.20

Finding the Fourth Proportional to 146,710,520.92, 202,465,076.34 and 80,629,820.20

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Solution

The fourth proportional to 146,710,520.92, 202,465,076.34 and 80,629,820.20 is: 111,271,656.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,710,520.92 : 202,465,076.34 = 80,629,820.20 : x
  2. Step 2: Convert to fraction form
    146,710,520.92/202,465,076.34 = 80,629,820.20/x
  3. Step 3: Cross multiply
    146,710,520.92x = 202,465,076.34 × 80,629,820.20
  4. Step 4: Simplify right side
    146,710,520.92x = 16,324,722,702,073,474
  5. Step 5: Solve for x
    x = 16,324,722,702,073,474/146,710,520.92
  6. Step 6: Final answer
    x = 111,271,656.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.