Home / 78,067,835,198.23-107,693,963,338.34-50,986,961,413.77

Finding the Fourth Proportional to 78,067,835,198.23, 107,693,963,338.34 and 50,986,961,413.77

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Solution

The fourth proportional to 78,067,835,198.23, 107,693,963,338.34 and 50,986,961,413.77 is: 70,336,111,399.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,067,835,198.23 : 107,693,963,338.34 = 50,986,961,413.77 : x
  2. Step 2: Convert to fraction form
    78,067,835,198.23/107,693,963,338.34 = 50,986,961,413.77/x
  3. Step 3: Cross multiply
    78,067,835,198.23x = 107,693,963,338.34 × 50,986,961,413.77
  4. Step 4: Simplify right side
    78,067,835,198.23x = 5,490,987,953,227,901,698,048
  5. Step 5: Solve for x
    x = 5,490,987,953,227,901,698,048/78,067,835,198.23
  6. Step 6: Final answer
    x = 70,336,111,399.59

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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.