Home / 109,156,960.20-163,735,440.30-100,228,751.40

Finding the Fourth Proportional to 109,156,960.20, 163,735,440.30 and 100,228,751.40

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Solution

The fourth proportional to 109,156,960.20, 163,735,440.30 and 100,228,751.40 is: 150,343,127.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,156,960.20 : 163,735,440.30 = 100,228,751.40 : x
  2. Step 2: Convert to fraction form
    109,156,960.20/163,735,440.30 = 100,228,751.40/x
  3. Step 3: Cross multiply
    109,156,960.20x = 163,735,440.30 × 100,228,751.40
  4. Step 4: Simplify right side
    109,156,960.20x = 16,410,998,741,198,244
  5. Step 5: Solve for x
    x = 16,410,998,741,198,244/109,156,960.20
  6. Step 6: Final answer
    x = 150,343,127.10

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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.