Home / 219,603,635.44-329,393,851.69-72,031,756.66

Finding the Fourth Proportional to 219,603,635.44, 329,393,851.69 and 72,031,756.66

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Solution

The fourth proportional to 219,603,635.44, 329,393,851.69 and 72,031,756.66 is: 108,043,829.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,603,635.44 : 329,393,851.69 = 72,031,756.66 : x
  2. Step 2: Convert to fraction form
    219,603,635.44/329,393,851.69 = 72,031,756.66/x
  3. Step 3: Cross multiply
    219,603,635.44x = 329,393,851.69 × 72,031,756.66
  4. Step 4: Simplify right side
    219,603,635.44x = 23,726,817,770,234,208
  5. Step 5: Solve for x
    x = 23,726,817,770,234,208/219,603,635.44
  6. Step 6: Final answer
    x = 108,043,829.61

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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.