Home / 202,187,992,054.54-279,028,199,804.60-111,967,445,678.66

Finding the Fourth Proportional to 202,187,992,054.54, 279,028,199,804.60 and 111,967,445,678.66

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Solution

The fourth proportional to 202,187,992,054.54, 279,028,199,804.60 and 111,967,445,678.66 is: 154,519,932,103.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,187,992,054.54 : 279,028,199,804.60 = 111,967,445,678.66 : x
  2. Step 2: Convert to fraction form
    202,187,992,054.54/279,028,199,804.60 = 111,967,445,678.66/x
  3. Step 3: Cross multiply
    202,187,992,054.54x = 279,028,199,804.60 × 111,967,445,678.66
  4. Step 4: Simplify right side
    202,187,992,054.54x = 31,242,074,804,435,839,614,976
  5. Step 5: Solve for x
    x = 31,242,074,804,435,839,614,976/202,187,992,054.54
  6. Step 6: Final answer
    x = 154,519,932,103.63

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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.