Home / 111,822,025.20-154,320,746.52-67,181,650.80

Finding the Fourth Proportional to 111,822,025.20, 154,320,746.52 and 67,181,650.80

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Solution

The fourth proportional to 111,822,025.20, 154,320,746.52 and 67,181,650.80 is: 92,714,494.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,822,025.20 : 154,320,746.52 = 67,181,650.80 : x
  2. Step 2: Convert to fraction form
    111,822,025.20/154,320,746.52 = 67,181,650.80/x
  3. Step 3: Cross multiply
    111,822,025.20x = 154,320,746.52 × 67,181,650.80
  4. Step 4: Simplify right side
    111,822,025.20x = 10,367,522,503,901,956
  5. Step 5: Solve for x
    x = 10,367,522,503,901,956/111,822,025.20
  6. Step 6: Final answer
    x = 92,714,494.17

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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.