Home / 116,871,178.39-161,268,047.85-67,327,591.16

Finding the Fourth Proportional to 116,871,178.39, 161,268,047.85 and 67,327,591.16

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Solution

The fourth proportional to 116,871,178.39, 161,268,047.85 and 67,327,591.16 is: 92,903,907.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,871,178.39 : 161,268,047.85 = 67,327,591.16 : x
  2. Step 2: Convert to fraction form
    116,871,178.39/161,268,047.85 = 67,327,591.16/x
  3. Step 3: Cross multiply
    116,871,178.39x = 161,268,047.85 × 67,327,591.16
  4. Step 4: Simplify right side
    116,871,178.39x = 10,857,789,193,471,764
  5. Step 5: Solve for x
    x = 10,857,789,193,471,764/116,871,178.39
  6. Step 6: Final answer
    x = 92,903,907.90

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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.