Home / 323,804,245.37-485,740,388.05-105,471,609.53

Finding the Fourth Proportional to 323,804,245.37, 485,740,388.05 and 105,471,609.53

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Solution

The fourth proportional to 323,804,245.37, 485,740,388.05 and 105,471,609.53 is: 158,218,495.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,804,245.37 : 485,740,388.05 = 105,471,609.53 : x
  2. Step 2: Convert to fraction form
    323,804,245.37/485,740,388.05 = 105,471,609.53/x
  3. Step 3: Cross multiply
    323,804,245.37x = 485,740,388.05 × 105,471,609.53
  4. Step 4: Simplify right side
    323,804,245.37x = 51,231,820,538,667,904
  5. Step 5: Solve for x
    x = 51,231,820,538,667,904/323,804,245.37
  6. Step 6: Final answer
    x = 158,218,495.50

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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.