Home / 161,113,019.56-241,745,112.06-80,340,286.12

Finding the Fourth Proportional to 161,113,019.56, 241,745,112.06 and 80,340,286.12

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Solution

The fourth proportional to 161,113,019.56, 241,745,112.06 and 80,340,286.12 is: 120,548,119.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,113,019.56 : 241,745,112.06 = 80,340,286.12 : x
  2. Step 2: Convert to fraction form
    161,113,019.56/241,745,112.06 = 80,340,286.12/x
  3. Step 3: Cross multiply
    161,113,019.56x = 241,745,112.06 × 80,340,286.12
  4. Step 4: Simplify right side
    161,113,019.56x = 19,421,871,471,011,864
  5. Step 5: Solve for x
    x = 19,421,871,471,011,864/161,113,019.56
  6. Step 6: Final answer
    x = 120,548,119.10

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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.