Home / 47,388,766.80-71,083,150.20-39,310,863.60

Finding the Fourth Proportional to 47,388,766.80, 71,083,150.20 and 39,310,863.60

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Solution

The fourth proportional to 47,388,766.80, 71,083,150.20 and 39,310,863.60 is: 58,966,295.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,388,766.80 : 71,083,150.20 = 39,310,863.60 : x
  2. Step 2: Convert to fraction form
    47,388,766.80/71,083,150.20 = 39,310,863.60/x
  3. Step 3: Cross multiply
    47,388,766.80x = 71,083,150.20 × 39,310,863.60
  4. Step 4: Simplify right side
    47,388,766.80x = 2,794,340,021,770,513
  5. Step 5: Solve for x
    x = 2,794,340,021,770,513/47,388,766.80
  6. Step 6: Final answer
    x = 58,966,295.40

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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.