Home / 221,328,194.40-331,992,291.60-214,950,902.40

Finding the Fourth Proportional to 221,328,194.40, 331,992,291.60 and 214,950,902.40

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Solution

The fourth proportional to 221,328,194.40, 331,992,291.60 and 214,950,902.40 is: 322,426,353.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,328,194.40 : 331,992,291.60 = 214,950,902.40 : x
  2. Step 2: Convert to fraction form
    221,328,194.40/331,992,291.60 = 214,950,902.40/x
  3. Step 3: Cross multiply
    221,328,194.40x = 331,992,291.60 × 214,950,902.40
  4. Step 4: Simplify right side
    221,328,194.40x = 71,362,042,669,263,944
  5. Step 5: Solve for x
    x = 71,362,042,669,263,944/221,328,194.40
  6. Step 6: Final answer
    x = 322,426,353.60

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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.