Home / 218,485,974.56-327,500,037.12-101,805,133.28

Finding the Fourth Proportional to 218,485,974.56, 327,500,037.12 and 101,805,133.28

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Solution

The fourth proportional to 218,485,974.56, 327,500,037.12 and 101,805,133.28 is: 152,601,030.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,485,974.56 : 327,500,037.12 = 101,805,133.28 : x
  2. Step 2: Convert to fraction form
    218,485,974.56/327,500,037.12 = 101,805,133.28/x
  3. Step 3: Cross multiply
    218,485,974.56x = 327,500,037.12 × 101,805,133.28
  4. Step 4: Simplify right side
    218,485,974.56x = 33,341,184,928,206,548
  5. Step 5: Solve for x
    x = 33,341,184,928,206,548/218,485,974.56
  6. Step 6: Final answer
    x = 152,601,030.78

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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.