Home / 111,822,027.20-154,320,749.28-67,181,652.80

Finding the Fourth Proportional to 111,822,027.20, 154,320,749.28 and 67,181,652.80

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Solution

The fourth proportional to 111,822,027.20, 154,320,749.28 and 67,181,652.80 is: 92,714,496.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,822,027.20 : 154,320,749.28 = 67,181,652.80 : x
  2. Step 2: Convert to fraction form
    111,822,027.20/154,320,749.28 = 67,181,652.80/x
  3. Step 3: Cross multiply
    111,822,027.20x = 154,320,749.28 × 67,181,652.80
  4. Step 4: Simplify right side
    111,822,027.20x = 10,367,522,997,964,810
  5. Step 5: Solve for x
    x = 10,367,522,997,964,810/111,822,027.20
  6. Step 6: Final answer
    x = 92,714,496.93

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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.