Home / 71,189,958.29-98,245,956.93-39,826,136.30

Finding the Fourth Proportional to 71,189,958.29, 98,245,956.93 and 39,826,136.30

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Solution

The fourth proportional to 71,189,958.29, 98,245,956.93 and 39,826,136.30 is: 54,962,202.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,189,958.29 : 98,245,956.93 = 39,826,136.30 : x
  2. Step 2: Convert to fraction form
    71,189,958.29/98,245,956.93 = 39,826,136.30/x
  3. Step 3: Cross multiply
    71,189,958.29x = 98,245,956.93 × 39,826,136.30
  4. Step 4: Simplify right side
    71,189,958.29x = 3,912,756,871,618,109.50
  5. Step 5: Solve for x
    x = 3,912,756,871,618,109.50/71,189,958.29
  6. Step 6: Final answer
    x = 54,962,202.05

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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.