Home / 135,973,986.80-203,960,727.48-42,608,107.76

Finding the Fourth Proportional to 135,973,986.80, 203,960,727.48 and 42,608,107.76

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Solution

The fourth proportional to 135,973,986.80, 203,960,727.48 and 42,608,107.76 is: 63,912,082.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,973,986.80 : 203,960,727.48 = 42,608,107.76 : x
  2. Step 2: Convert to fraction form
    135,973,986.80/203,960,727.48 = 42,608,107.76/x
  3. Step 3: Cross multiply
    135,973,986.80x = 203,960,727.48 × 42,608,107.76
  4. Step 4: Simplify right side
    135,973,986.80x = 8,690,380,655,275,832
  5. Step 5: Solve for x
    x = 8,690,380,655,275,832/135,973,986.80
  6. Step 6: Final answer
    x = 63,912,082.45

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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.