Home / 202,286,514.15-279,155,389.85-109,467,021.96

Finding the Fourth Proportional to 202,286,514.15, 279,155,389.85 and 109,467,021.96

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Solution

The fourth proportional to 202,286,514.15, 279,155,389.85 and 109,467,021.96 is: 151,064,490.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,286,514.15 : 279,155,389.85 = 109,467,021.96 : x
  2. Step 2: Convert to fraction form
    202,286,514.15/279,155,389.85 = 109,467,021.96/x
  3. Step 3: Cross multiply
    202,286,514.15x = 279,155,389.85 × 109,467,021.96
  4. Step 4: Simplify right side
    202,286,514.15x = 30,558,309,190,414,976
  5. Step 5: Solve for x
    x = 30,558,309,190,414,976/202,286,514.15
  6. Step 6: Final answer
    x = 151,064,490.48

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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.