Home / 219,860,218.20-329,790,327.30-76,253,050.20

Finding the Fourth Proportional to 219,860,218.20, 329,790,327.30 and 76,253,050.20

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Solution

The fourth proportional to 219,860,218.20, 329,790,327.30 and 76,253,050.20 is: 114,379,575.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,860,218.20 : 329,790,327.30 = 76,253,050.20 : x
  2. Step 2: Convert to fraction form
    219,860,218.20/329,790,327.30 = 76,253,050.20/x
  3. Step 3: Cross multiply
    219,860,218.20x = 329,790,327.30 × 76,253,050.20
  4. Step 4: Simplify right side
    219,860,218.20x = 25,147,518,383,081,332
  5. Step 5: Solve for x
    x = 25,147,518,383,081,332/219,860,218.20
  6. Step 6: Final answer
    x = 114,379,575.30

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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.