Home / 221,392,144.35-331,800,166.76-90,081,391.14

Finding the Fourth Proportional to 221,392,144.35, 331,800,166.76 and 90,081,391.14

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Solution

The fourth proportional to 221,392,144.35, 331,800,166.76 and 90,081,391.14 is: 135,004,883.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,392,144.35 : 331,800,166.76 = 90,081,391.14 : x
  2. Step 2: Convert to fraction form
    221,392,144.35/331,800,166.76 = 90,081,391.14/x
  3. Step 3: Cross multiply
    221,392,144.35x = 331,800,166.76 × 90,081,391.14
  4. Step 4: Simplify right side
    221,392,144.35x = 29,889,020,601,774,380
  5. Step 5: Solve for x
    x = 29,889,020,601,774,380/221,392,144.35
  6. Step 6: Final answer
    x = 135,004,883.26

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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.