Home / 202,187,992,063.15-279,028,199,816.42-111,967,445,687.14

Finding the Fourth Proportional to 202,187,992,063.15, 279,028,199,816.42 and 111,967,445,687.14

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Solution

The fourth proportional to 202,187,992,063.15, 279,028,199,816.42 and 111,967,445,687.14 is: 154,519,932,115.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,187,992,063.15 : 279,028,199,816.42 = 111,967,445,687.14 : x
  2. Step 2: Convert to fraction form
    202,187,992,063.15/279,028,199,816.42 = 111,967,445,687.14/x
  3. Step 3: Cross multiply
    202,187,992,063.15x = 279,028,199,816.42 × 111,967,445,687.14
  4. Step 4: Simplify right side
    202,187,992,063.15x = 31,242,074,808,125,451,403,264
  5. Step 5: Solve for x
    x = 31,242,074,808,125,451,403,264/202,187,992,063.15
  6. Step 6: Final answer
    x = 154,519,932,115.29

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.