Home / 131,809,432.80-197,714,149.20-109,414,552.80

Finding the Fourth Proportional to 131,809,432.80, 197,714,149.20 and 109,414,552.80

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Solution

The fourth proportional to 131,809,432.80, 197,714,149.20 and 109,414,552.80 is: 164,121,829.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,809,432.80 : 197,714,149.20 = 109,414,552.80 : x
  2. Step 2: Convert to fraction form
    131,809,432.80/197,714,149.20 = 109,414,552.80/x
  3. Step 3: Cross multiply
    131,809,432.80x = 197,714,149.20 × 109,414,552.80
  4. Step 4: Simplify right side
    131,809,432.80x = 21,632,805,216,950,476
  5. Step 5: Solve for x
    x = 21,632,805,216,950,476/131,809,432.80
  6. Step 6: Final answer
    x = 164,121,829.20

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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.