Home / 47,932,859.80-71,857,299.30-28,771,240.60

Finding the Fourth Proportional to 47,932,859.80, 71,857,299.30 and 28,771,240.60

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Solution

The fourth proportional to 47,932,859.80, 71,857,299.30 and 28,771,240.60 is: 43,131,656.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,932,859.80 : 71,857,299.30 = 28,771,240.60 : x
  2. Step 2: Convert to fraction form
    47,932,859.80/71,857,299.30 = 28,771,240.60/x
  3. Step 3: Cross multiply
    47,932,859.80x = 71,857,299.30 × 28,771,240.60
  4. Step 4: Simplify right side
    47,932,859.80x = 2,067,423,647,026,511.50
  5. Step 5: Solve for x
    x = 2,067,423,647,026,511.50/47,932,859.80
  6. Step 6: Final answer
    x = 43,131,656.56

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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.