Home / 202,187,992,081.72-279,028,199,842.26-111,967,445,705.96

Finding the Fourth Proportional to 202,187,992,081.72, 279,028,199,842.26 and 111,967,445,705.96

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Solution

The fourth proportional to 202,187,992,081.72, 279,028,199,842.26 and 111,967,445,705.96 is: 154,519,932,141.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,187,992,081.72 : 279,028,199,842.26 = 111,967,445,705.96 : x
  2. Step 2: Convert to fraction form
    202,187,992,081.72/279,028,199,842.26 = 111,967,445,705.96/x
  3. Step 3: Cross multiply
    202,187,992,081.72x = 279,028,199,842.26 × 111,967,445,705.96
  4. Step 4: Simplify right side
    202,187,992,081.72x = 31,242,074,816,270,005,436,416
  5. Step 5: Solve for x
    x = 31,242,074,816,270,005,436,416/202,187,992,081.72
  6. Step 6: Final answer
    x = 154,519,932,141.38

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1.5x scale

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.