Home / 49,778,754.12-68,709,863.52-28,876,069.08

Finding the Fourth Proportional to 49,778,754.12, 68,709,863.52 and 28,876,069.08

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Solution

The fourth proportional to 49,778,754.12, 68,709,863.52 and 28,876,069.08 is: 39,857,782.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,778,754.12 : 68,709,863.52 = 28,876,069.08 : x
  2. Step 2: Convert to fraction form
    49,778,754.12/68,709,863.52 = 28,876,069.08/x
  3. Step 3: Cross multiply
    49,778,754.12x = 68,709,863.52 × 28,876,069.08
  4. Step 4: Simplify right side
    49,778,754.12x = 1,984,070,765,480,891.75
  5. Step 5: Solve for x
    x = 1,984,070,765,480,891.75/49,778,754.12
  6. Step 6: Final answer
    x = 39,857,782.71

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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.