Home / 202,187,992,047.35-279,028,199,794.72-111,967,445,671.48

Finding the Fourth Proportional to 202,187,992,047.35, 279,028,199,794.72 and 111,967,445,671.48

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Solution

The fourth proportional to 202,187,992,047.35, 279,028,199,794.72 and 111,967,445,671.48 is: 154,519,932,093.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,187,992,047.35 : 279,028,199,794.72 = 111,967,445,671.48 : x
  2. Step 2: Convert to fraction form
    202,187,992,047.35/279,028,199,794.72 = 111,967,445,671.48/x
  3. Step 3: Cross multiply
    202,187,992,047.35x = 279,028,199,794.72 × 111,967,445,671.48
  4. Step 4: Simplify right side
    202,187,992,047.35x = 31,242,074,801,326,174,240,768
  5. Step 5: Solve for x
    x = 31,242,074,801,326,174,240,768/202,187,992,047.35
  6. Step 6: Final answer
    x = 154,519,932,093.74

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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.