Home / 202,187,992,010.64-279,028,199,744.05-111,967,445,634.73

Finding the Fourth Proportional to 202,187,992,010.64, 279,028,199,744.05 and 111,967,445,634.73

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Solution

The fourth proportional to 202,187,992,010.64, 279,028,199,744.05 and 111,967,445,634.73 is: 154,519,932,043.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,187,992,010.64 : 279,028,199,744.05 = 111,967,445,634.73 : x
  2. Step 2: Convert to fraction form
    202,187,992,010.64/279,028,199,744.05 = 111,967,445,634.73/x
  3. Step 3: Cross multiply
    202,187,992,010.64x = 279,028,199,744.05 × 111,967,445,634.73
  4. Step 4: Simplify right side
    202,187,992,010.64x = 31,242,074,785,398,497,738,752
  5. Step 5: Solve for x
    x = 31,242,074,785,398,497,738,752/202,187,992,010.64
  6. Step 6: Final answer
    x = 154,519,932,043.02

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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.