Home / 71,189,957.79-98,245,956.24-39,826,135.80

Finding the Fourth Proportional to 71,189,957.79, 98,245,956.24 and 39,826,135.80

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Solution

The fourth proportional to 71,189,957.79, 98,245,956.24 and 39,826,135.80 is: 54,962,201.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,189,957.79 : 98,245,956.24 = 39,826,135.80 : x
  2. Step 2: Convert to fraction form
    71,189,957.79/98,245,956.24 = 39,826,135.80/x
  3. Step 3: Cross multiply
    71,189,957.79x = 98,245,956.24 × 39,826,135.80
  4. Step 4: Simplify right side
    71,189,957.79x = 3,912,756,795,015,097
  5. Step 5: Solve for x
    x = 3,912,756,795,015,097/71,189,957.79
  6. Step 6: Final answer
    x = 54,962,201.36

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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.