Home / 71,912,813.54-107,857,410.50-30,961,227.60

Finding the Fourth Proportional to 71,912,813.54, 107,857,410.50 and 30,961,227.60

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Solution

The fourth proportional to 71,912,813.54, 107,857,410.50 and 30,961,227.60 is: 46,436,756.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,912,813.54 : 107,857,410.50 = 30,961,227.60 : x
  2. Step 2: Convert to fraction form
    71,912,813.54/107,857,410.50 = 30,961,227.60/x
  3. Step 3: Cross multiply
    71,912,813.54x = 107,857,410.50 × 30,961,227.60
  4. Step 4: Simplify right side
    71,912,813.54x = 3,339,397,834,914,533
  5. Step 5: Solve for x
    x = 3,339,397,834,914,533/71,912,813.54
  6. Step 6: Final answer
    x = 46,436,756.83

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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.