Home / 139,694,071.26-192,782,189.19-80,166,257.67

Finding the Fourth Proportional to 139,694,071.26, 192,782,189.19 and 80,166,257.67

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Solution

The fourth proportional to 139,694,071.26, 192,782,189.19 and 80,166,257.67 is: 110,631,943.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,694,071.26 : 192,782,189.19 = 80,166,257.67 : x
  2. Step 2: Convert to fraction form
    139,694,071.26/192,782,189.19 = 80,166,257.67/x
  3. Step 3: Cross multiply
    139,694,071.26x = 192,782,189.19 × 80,166,257.67
  4. Step 4: Simplify right side
    139,694,071.26x = 15,454,626,652,792,228
  5. Step 5: Solve for x
    x = 15,454,626,652,792,228/139,694,071.26
  6. Step 6: Final answer
    x = 110,631,943.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.