Home / 280,410,092.37-420,239,162.84-218,236,481.04

Finding the Fourth Proportional to 280,410,092.37, 420,239,162.84 and 218,236,481.04

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Solution

The fourth proportional to 280,410,092.37, 420,239,162.84 and 218,236,481.04 is: 327,062,108.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,410,092.37 : 420,239,162.84 = 218,236,481.04 : x
  2. Step 2: Convert to fraction form
    280,410,092.37/420,239,162.84 = 218,236,481.04/x
  3. Step 3: Cross multiply
    280,410,092.37x = 420,239,162.84 × 218,236,481.04
  4. Step 4: Simplify right side
    280,410,092.37x = 91,711,516,094,497,264
  5. Step 5: Solve for x
    x = 91,711,516,094,497,264/280,410,092.37
  6. Step 6: Final answer
    x = 327,062,108.64

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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.