Home / 330,212,125.20-495,318,187.80-221,373,008.40

Finding the Fourth Proportional to 330,212,125.20, 495,318,187.80 and 221,373,008.40

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Solution

The fourth proportional to 330,212,125.20, 495,318,187.80 and 221,373,008.40 is: 332,059,512.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,212,125.20 : 495,318,187.80 = 221,373,008.40 : x
  2. Step 2: Convert to fraction form
    330,212,125.20/495,318,187.80 = 221,373,008.40/x
  3. Step 3: Cross multiply
    330,212,125.20x = 495,318,187.80 × 221,373,008.40
  4. Step 4: Simplify right side
    330,212,125.20x = 109,650,077,348,522,176
  5. Step 5: Solve for x
    x = 109,650,077,348,522,176/330,212,125.20
  6. Step 6: Final answer
    x = 332,059,512.60

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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.