Home / 202,187,992,013.15-279,028,199,747.54-111,967,445,637.26

Finding the Fourth Proportional to 202,187,992,013.15, 279,028,199,747.54 and 111,967,445,637.26

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Solution

The fourth proportional to 202,187,992,013.15, 279,028,199,747.54 and 111,967,445,637.26 is: 154,519,932,046.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,187,992,013.15 : 279,028,199,747.54 = 111,967,445,637.26 : x
  2. Step 2: Convert to fraction form
    202,187,992,013.15/279,028,199,747.54 = 111,967,445,637.26/x
  3. Step 3: Cross multiply
    202,187,992,013.15x = 279,028,199,747.54 × 111,967,445,637.26
  4. Step 4: Simplify right side
    202,187,992,013.15x = 31,242,074,786,495,203,377,152
  5. Step 5: Solve for x
    x = 31,242,074,786,495,203,377,152/202,187,992,013.15
  6. Step 6: Final answer
    x = 154,519,932,046.53

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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.