Home / 80,585,929,193.04-120,815,202,087.18-40,228,068,231.54

Finding the Fourth Proportional to 80,585,929,193.04, 120,815,202,087.18 and 40,228,068,231.54

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Solution

The fourth proportional to 80,585,929,193.04, 120,815,202,087.18 and 40,228,068,231.54 is: 60,310,307,787.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,585,929,193.04 : 120,815,202,087.18 = 40,228,068,231.54 : x
  2. Step 2: Convert to fraction form
    80,585,929,193.04/120,815,202,087.18 = 40,228,068,231.54/x
  3. Step 3: Cross multiply
    80,585,929,193.04x = 120,815,202,087.18 × 40,228,068,231.54
  4. Step 4: Simplify right side
    80,585,929,193.04x = 4,860,162,192,970,370,514,944
  5. Step 5: Solve for x
    x = 4,860,162,192,970,370,514,944/80,585,929,193.04
  6. Step 6: Final answer
    x = 60,310,307,787.46

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1.5x scale

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.