Home / 72,667,204.79-100,278,507.47-41,308,679.30

Finding the Fourth Proportional to 72,667,204.79, 100,278,507.47 and 41,308,679.30

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Solution

The fourth proportional to 72,667,204.79, 100,278,507.47 and 41,308,679.30 is: 57,004,706.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,667,204.79 : 100,278,507.47 = 41,308,679.30 : x
  2. Step 2: Convert to fraction form
    72,667,204.79/100,278,507.47 = 41,308,679.30/x
  3. Step 3: Cross multiply
    72,667,204.79x = 100,278,507.47 × 41,308,679.30
  4. Step 4: Simplify right side
    72,667,204.79x = 4,142,372,705,052,949
  5. Step 5: Solve for x
    x = 4,142,372,705,052,949/72,667,204.79
  6. Step 6: Final answer
    x = 57,004,706.83

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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.