Home / 221,328,209.40-331,992,314.10-214,950,917.40

Finding the Fourth Proportional to 221,328,209.40, 331,992,314.10 and 214,950,917.40

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Solution

The fourth proportional to 221,328,209.40, 331,992,314.10 and 214,950,917.40 is: 322,426,376.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,328,209.40 : 331,992,314.10 = 214,950,917.40 : x
  2. Step 2: Convert to fraction form
    221,328,209.40/331,992,314.10 = 214,950,917.40/x
  3. Step 3: Cross multiply
    221,328,209.40x = 331,992,314.10 × 214,950,917.40
  4. Step 4: Simplify right side
    221,328,209.40x = 71,362,052,485,543,960
  5. Step 5: Solve for x
    x = 71,362,052,485,543,960/221,328,209.40
  6. Step 6: Final answer
    x = 322,426,376.10

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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.