Home / 71,189,958.79-98,245,957.62-39,826,136.80

Finding the Fourth Proportional to 71,189,958.79, 98,245,957.62 and 39,826,136.80

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Solution

The fourth proportional to 71,189,958.79, 98,245,957.62 and 39,826,136.80 is: 54,962,202.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,189,958.79 : 98,245,957.62 = 39,826,136.80 : x
  2. Step 2: Convert to fraction form
    71,189,958.79/98,245,957.62 = 39,826,136.80/x
  3. Step 3: Cross multiply
    71,189,958.79x = 98,245,957.62 × 39,826,136.80
  4. Step 4: Simplify right side
    71,189,958.79x = 3,912,756,948,221,122.50
  5. Step 5: Solve for x
    x = 3,912,756,948,221,122.50/71,189,958.79
  6. Step 6: Final answer
    x = 54,962,202.74

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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.