Home / 221,333,827.20-331,469,299.80-118,872,002.40

Finding the Fourth Proportional to 221,333,827.20, 331,469,299.80 and 118,872,002.40

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Solution

The fourth proportional to 221,333,827.20, 331,469,299.80 and 118,872,002.40 is: 178,022,582.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,333,827.20 : 331,469,299.80 = 118,872,002.40 : x
  2. Step 2: Convert to fraction form
    221,333,827.20/331,469,299.80 = 118,872,002.40/x
  3. Step 3: Cross multiply
    221,333,827.20x = 331,469,299.80 × 118,872,002.40
  4. Step 4: Simplify right side
    221,333,827.20x = 39,402,419,401,351,920
  5. Step 5: Solve for x
    x = 39,402,419,401,351,920/221,333,827.20
  6. Step 6: Final answer
    x = 178,022,582.00

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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.