Home / 265,259,842.92-365,810,286.24-209,638,141.38

Finding the Fourth Proportional to 265,259,842.92, 365,810,286.24 and 209,638,141.38

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Solution

The fourth proportional to 265,259,842.92, 365,810,286.24 and 209,638,141.38 is: 289,104,402.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,259,842.92 : 365,810,286.24 = 209,638,141.38 : x
  2. Step 2: Convert to fraction form
    265,259,842.92/365,810,286.24 = 209,638,141.38/x
  3. Step 3: Cross multiply
    265,259,842.92x = 365,810,286.24 × 209,638,141.38
  4. Step 4: Simplify right side
    265,259,842.92x = 76,687,788,505,039,392
  5. Step 5: Solve for x
    x = 76,687,788,505,039,392/265,259,842.92
  6. Step 6: Final answer
    x = 289,104,402.92

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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.