Home / 202,187,992,062.15-279,028,199,815.04-111,967,445,686.14

Finding the Fourth Proportional to 202,187,992,062.15, 279,028,199,815.04 and 111,967,445,686.14

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Solution

The fourth proportional to 202,187,992,062.15, 279,028,199,815.04 and 111,967,445,686.14 is: 154,519,932,113.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,187,992,062.15 : 279,028,199,815.04 = 111,967,445,686.14 : x
  2. Step 2: Convert to fraction form
    202,187,992,062.15/279,028,199,815.04 = 111,967,445,686.14/x
  3. Step 3: Cross multiply
    202,187,992,062.15x = 279,028,199,815.04 × 111,967,445,686.14
  4. Step 4: Simplify right side
    202,187,992,062.15x = 31,242,074,807,691,907,170,304
  5. Step 5: Solve for x
    x = 31,242,074,807,691,907,170,304/202,187,992,062.15
  6. Step 6: Final answer
    x = 154,519,932,113.91

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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.