Home / 221,919,983.04-305,998,961.04-165,986,149.49

Finding the Fourth Proportional to 221,919,983.04, 305,998,961.04 and 165,986,149.49

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Solution

The fourth proportional to 221,919,983.04, 305,998,961.04 and 165,986,149.49 is: 228,873,437.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,919,983.04 : 305,998,961.04 = 165,986,149.49 : x
  2. Step 2: Convert to fraction form
    221,919,983.04/305,998,961.04 = 165,986,149.49/x
  3. Step 3: Cross multiply
    221,919,983.04x = 305,998,961.04 × 165,986,149.49
  4. Step 4: Simplify right side
    221,919,983.04x = 50,791,589,289,440,136
  5. Step 5: Solve for x
    x = 50,791,589,289,440,136/221,919,983.04
  6. Step 6: Final answer
    x = 228,873,437.14

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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.