Home / 213,994,162.64-320,530,040.16-144,524,962.96

Finding the Fourth Proportional to 213,994,162.64, 320,530,040.16 and 144,524,962.96

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Solution

The fourth proportional to 213,994,162.64, 320,530,040.16 and 144,524,962.96 is: 216,475,961.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,994,162.64 : 320,530,040.16 = 144,524,962.96 : x
  2. Step 2: Convert to fraction form
    213,994,162.64/320,530,040.16 = 144,524,962.96/x
  3. Step 3: Cross multiply
    213,994,162.64x = 320,530,040.16 × 144,524,962.96
  4. Step 4: Simplify right side
    213,994,162.64x = 46,324,592,181,691,320
  5. Step 5: Solve for x
    x = 46,324,592,181,691,320/213,994,162.64
  6. Step 6: Final answer
    x = 216,475,961.82

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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.