Home / 203,227,391.42-280,470,950.38-113,917,907.92

Finding the Fourth Proportional to 203,227,391.42, 280,470,950.38 and 113,917,907.92

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Solution

The fourth proportional to 203,227,391.42, 280,470,950.38 and 113,917,907.92 is: 157,216,326.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,227,391.42 : 280,470,950.38 = 113,917,907.92 : x
  2. Step 2: Convert to fraction form
    203,227,391.42/280,470,950.38 = 113,917,907.92/x
  3. Step 3: Cross multiply
    203,227,391.42x = 280,470,950.38 × 113,917,907.92
  4. Step 4: Simplify right side
    203,227,391.42x = 31,950,663,899,623,728
  5. Step 5: Solve for x
    x = 31,950,663,899,623,728/203,227,391.42
  6. Step 6: Final answer
    x = 157,216,326.38

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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.