Home / 219,860,846.70-329,780,772.45-74,280,129.90

Finding the Fourth Proportional to 219,860,846.70, 329,780,772.45 and 74,280,129.90

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Solution

The fourth proportional to 219,860,846.70, 329,780,772.45 and 74,280,129.90 is: 111,416,648.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,860,846.70 : 329,780,772.45 = 74,280,129.90 : x
  2. Step 2: Convert to fraction form
    219,860,846.70/329,780,772.45 = 74,280,129.90/x
  3. Step 3: Cross multiply
    219,860,846.70x = 329,780,772.45 × 74,280,129.90
  4. Step 4: Simplify right side
    219,860,846.70x = 24,496,158,616,108,344
  5. Step 5: Solve for x
    x = 24,496,158,616,108,344/219,860,846.70
  6. Step 6: Final answer
    x = 111,416,648.23

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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.