Home / 202,187,992,005.66-279,028,199,737.22-111,967,445,629.77

Finding the Fourth Proportional to 202,187,992,005.66, 279,028,199,737.22 and 111,967,445,629.77

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Solution

The fourth proportional to 202,187,992,005.66, 279,028,199,737.22 and 111,967,445,629.77 is: 154,519,932,036.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,187,992,005.66 : 279,028,199,737.22 = 111,967,445,629.77 : x
  2. Step 2: Convert to fraction form
    202,187,992,005.66/279,028,199,737.22 = 111,967,445,629.77/x
  3. Step 3: Cross multiply
    202,187,992,005.66x = 279,028,199,737.22 × 111,967,445,629.77
  4. Step 4: Simplify right side
    202,187,992,005.66x = 31,242,074,783,249,780,965,376
  5. Step 5: Solve for x
    x = 31,242,074,783,249,780,965,376/202,187,992,005.66
  6. Step 6: Final answer
    x = 154,519,932,036.20

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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.