Home / 203,571,734.50-305,218,198.63-103,667,991.89

Finding the Fourth Proportional to 203,571,734.50, 305,218,198.63 and 103,667,991.89

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Solution

The fourth proportional to 203,571,734.50, 305,218,198.63 and 103,667,991.89 is: 155,430,997.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,571,734.50 : 305,218,198.63 = 103,667,991.89 : x
  2. Step 2: Convert to fraction form
    203,571,734.50/305,218,198.63 = 103,667,991.89/x
  3. Step 3: Cross multiply
    203,571,734.50x = 305,218,198.63 × 103,667,991.89
  4. Step 4: Simplify right side
    203,571,734.50x = 31,641,357,739,941,080
  5. Step 5: Solve for x
    x = 31,641,357,739,941,080/203,571,734.50
  6. Step 6: Final answer
    x = 155,430,997.42

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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.