Home / 221,489,772.60-332,234,658.90-130,790,508.60

Finding the Fourth Proportional to 221,489,772.60, 332,234,658.90 and 130,790,508.60

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Solution

The fourth proportional to 221,489,772.60, 332,234,658.90 and 130,790,508.60 is: 196,185,762.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,489,772.60 : 332,234,658.90 = 130,790,508.60 : x
  2. Step 2: Convert to fraction form
    221,489,772.60/332,234,658.90 = 130,790,508.60/x
  3. Step 3: Cross multiply
    221,489,772.60x = 332,234,658.90 × 130,790,508.60
  4. Step 4: Simplify right side
    221,489,772.60x = 43,453,140,012,078,512
  5. Step 5: Solve for x
    x = 43,453,140,012,078,512/221,489,772.60
  6. Step 6: Final answer
    x = 196,185,762.90

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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.