Home / 219,911,770.20-329,584,220.10-133,558,512.60

Finding the Fourth Proportional to 219,911,770.20, 329,584,220.10 and 133,558,512.60

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Solution

The fourth proportional to 219,911,770.20, 329,584,220.10 and 133,558,512.60 is: 200,165,630.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,911,770.20 : 329,584,220.10 = 133,558,512.60 : x
  2. Step 2: Convert to fraction form
    219,911,770.20/329,584,220.10 = 133,558,512.60/x
  3. Step 3: Cross multiply
    219,911,770.20x = 329,584,220.10 × 133,558,512.60
  4. Step 4: Simplify right side
    219,911,770.20x = 44,018,778,212,987,024
  5. Step 5: Solve for x
    x = 44,018,778,212,987,024/219,911,770.20
  6. Step 6: Final answer
    x = 200,165,630.85

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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.