Home / 202,187,992,060.65-279,028,199,812.96-111,967,445,684.64

Finding the Fourth Proportional to 202,187,992,060.65, 279,028,199,812.96 and 111,967,445,684.64

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Solution

The fourth proportional to 202,187,992,060.65, 279,028,199,812.96 and 111,967,445,684.64 is: 154,519,932,111.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,187,992,060.65 : 279,028,199,812.96 = 111,967,445,684.64 : x
  2. Step 2: Convert to fraction form
    202,187,992,060.65/279,028,199,812.96 = 111,967,445,684.64/x
  3. Step 3: Cross multiply
    202,187,992,060.65x = 279,028,199,812.96 × 111,967,445,684.64
  4. Step 4: Simplify right side
    202,187,992,060.65x = 31,242,074,807,040,477,233,152
  5. Step 5: Solve for x
    x = 31,242,074,807,040,477,233,152/202,187,992,060.65
  6. Step 6: Final answer
    x = 154,519,932,111.84

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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.