Home / 221,392,822.27-331,801,184.44-90,082,070.59

Finding the Fourth Proportional to 221,392,822.27, 331,801,184.44 and 90,082,070.59

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Solution

The fourth proportional to 221,392,822.27, 331,801,184.44 and 90,082,070.59 is: 135,005,902.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,392,822.27 : 331,801,184.44 = 90,082,070.59 : x
  2. Step 2: Convert to fraction form
    221,392,822.27/331,801,184.44 = 90,082,070.59/x
  3. Step 3: Cross multiply
    221,392,822.27x = 331,801,184.44 × 90,082,070.59
  4. Step 4: Simplify right side
    221,392,822.27x = 29,889,337,718,569,692
  5. Step 5: Solve for x
    x = 29,889,337,718,569,692/221,392,822.27
  6. Step 6: Final answer
    x = 135,005,902.23

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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.