Home / 78,067,835,198.60-107,693,963,338.86-50,986,961,414.15

Finding the Fourth Proportional to 78,067,835,198.60, 107,693,963,338.86 and 50,986,961,414.15

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Solution

The fourth proportional to 78,067,835,198.60, 107,693,963,338.86 and 50,986,961,414.15 is: 70,336,111,400.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,067,835,198.60 : 107,693,963,338.86 = 50,986,961,414.15 : x
  2. Step 2: Convert to fraction form
    78,067,835,198.60/107,693,963,338.86 = 50,986,961,414.15/x
  3. Step 3: Cross multiply
    78,067,835,198.60x = 107,693,963,338.86 × 50,986,961,414.15
  4. Step 4: Simplify right side
    78,067,835,198.60x = 5,490,987,953,295,339,814,912
  5. Step 5: Solve for x
    x = 5,490,987,953,295,339,814,912/78,067,835,198.60
  6. Step 6: Final answer
    x = 70,336,111,400.13

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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.