Home / 202,187,992,046.20-279,028,199,793.09-111,967,445,670.32

Finding the Fourth Proportional to 202,187,992,046.20, 279,028,199,793.09 and 111,967,445,670.32

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Solution

The fourth proportional to 202,187,992,046.20, 279,028,199,793.09 and 111,967,445,670.32 is: 154,519,932,092.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,187,992,046.20 : 279,028,199,793.09 = 111,967,445,670.32 : x
  2. Step 2: Convert to fraction form
    202,187,992,046.20/279,028,199,793.09 = 111,967,445,670.32/x
  3. Step 3: Cross multiply
    202,187,992,046.20x = 279,028,199,793.09 × 111,967,445,670.32
  4. Step 4: Simplify right side
    202,187,992,046.20x = 31,242,074,800,820,005,634,048
  5. Step 5: Solve for x
    x = 31,242,074,800,820,005,634,048/202,187,992,046.20
  6. Step 6: Final answer
    x = 154,519,932,092.12

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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.