Home / 131,112,070.10-196,668,105.15-80,093,734.10

Finding the Fourth Proportional to 131,112,070.10, 196,668,105.15 and 80,093,734.10

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Solution

The fourth proportional to 131,112,070.10, 196,668,105.15 and 80,093,734.10 is: 120,140,601.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,112,070.10 : 196,668,105.15 = 80,093,734.10 : x
  2. Step 2: Convert to fraction form
    131,112,070.10/196,668,105.15 = 80,093,734.10/x
  3. Step 3: Cross multiply
    131,112,070.10x = 196,668,105.15 × 80,093,734.10
  4. Step 4: Simplify right side
    131,112,070.10x = 15,751,882,919,834,940
  5. Step 5: Solve for x
    x = 15,751,882,919,834,940/131,112,070.10
  6. Step 6: Final answer
    x = 120,140,601.15

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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.