Home / 279,086,085.84-418,692,133.58-92,339,586.79

Finding the Fourth Proportional to 279,086,085.84, 418,692,133.58 and 92,339,586.79

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Solution

The fourth proportional to 279,086,085.84, 418,692,133.58 and 92,339,586.79 is: 138,530,226.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,086,085.84 : 418,692,133.58 = 92,339,586.79 : x
  2. Step 2: Convert to fraction form
    279,086,085.84/418,692,133.58 = 92,339,586.79/x
  3. Step 3: Cross multiply
    279,086,085.84x = 418,692,133.58 × 92,339,586.79
  4. Step 4: Simplify right side
    279,086,085.84x = 38,661,858,605,358,976
  5. Step 5: Solve for x
    x = 38,661,858,605,358,976/279,086,085.84
  6. Step 6: Final answer
    x = 138,530,226.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.