Home / 109,156,820.20-163,735,230.30-100,228,611.40

Finding the Fourth Proportional to 109,156,820.20, 163,735,230.30 and 100,228,611.40

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Solution

The fourth proportional to 109,156,820.20, 163,735,230.30 and 100,228,611.40 is: 150,342,917.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,156,820.20 : 163,735,230.30 = 100,228,611.40 : x
  2. Step 2: Convert to fraction form
    109,156,820.20/163,735,230.30 = 100,228,611.40/x
  3. Step 3: Cross multiply
    109,156,820.20x = 163,735,230.30 × 100,228,611.40
  4. Step 4: Simplify right side
    109,156,820.20x = 16,410,954,770,228,208
  5. Step 5: Solve for x
    x = 16,410,954,770,228,208/109,156,820.20
  6. Step 6: Final answer
    x = 150,342,917.10

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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.