Home / 118,104,138.20-177,156,207.30-98,993,840.60

Finding the Fourth Proportional to 118,104,138.20, 177,156,207.30 and 98,993,840.60

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Solution

The fourth proportional to 118,104,138.20, 177,156,207.30 and 98,993,840.60 is: 148,490,760.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,104,138.20 : 177,156,207.30 = 98,993,840.60 : x
  2. Step 2: Convert to fraction form
    118,104,138.20/177,156,207.30 = 98,993,840.60/x
  3. Step 3: Cross multiply
    118,104,138.20x = 177,156,207.30 × 98,993,840.60
  4. Step 4: Simplify right side
    118,104,138.20x = 17,537,373,346,756,756
  5. Step 5: Solve for x
    x = 17,537,373,346,756,756/118,104,138.20
  6. Step 6: Final answer
    x = 148,490,760.90

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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.