Home / 203,422,712.18-280,720,036.06-110,605,557.38

Finding the Fourth Proportional to 203,422,712.18, 280,720,036.06 and 110,605,557.38

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Solution

The fourth proportional to 203,422,712.18, 280,720,036.06 and 110,605,557.38 is: 152,633,871.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,422,712.18 : 280,720,036.06 = 110,605,557.38 : x
  2. Step 2: Convert to fraction form
    203,422,712.18/280,720,036.06 = 110,605,557.38/x
  3. Step 3: Cross multiply
    203,422,712.18x = 280,720,036.06 × 110,605,557.38
  4. Step 4: Simplify right side
    203,422,712.18x = 31,049,196,054,469,884
  5. Step 5: Solve for x
    x = 31,049,196,054,469,884/203,422,712.18
  6. Step 6: Final answer
    x = 152,633,871.23

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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.