Home / 139,880,340.60-192,957,376.78-98,126,571.26

Finding the Fourth Proportional to 139,880,340.60, 192,957,376.78 and 98,126,571.26

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Solution

The fourth proportional to 139,880,340.60, 192,957,376.78 and 98,126,571.26 is: 135,360,306.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,880,340.60 : 192,957,376.78 = 98,126,571.26 : x
  2. Step 2: Convert to fraction form
    139,880,340.60/192,957,376.78 = 98,126,571.26/x
  3. Step 3: Cross multiply
    139,880,340.60x = 192,957,376.78 × 98,126,571.26
  4. Step 4: Simplify right side
    139,880,340.60x = 18,934,245,782,745,340
  5. Step 5: Solve for x
    x = 18,934,245,782,745,340/139,880,340.60
  6. Step 6: Final answer
    x = 135,360,306.54

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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.