Home / 139,639,568.34-192,702,602.03-80,936,283.23

Finding the Fourth Proportional to 139,639,568.34, 192,702,602.03 and 80,936,283.23

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Solution

The fourth proportional to 139,639,568.34, 192,702,602.03 and 80,936,283.23 is: 111,692,069.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,639,568.34 : 192,702,602.03 = 80,936,283.23 : x
  2. Step 2: Convert to fraction form
    139,639,568.34/192,702,602.03 = 80,936,283.23/x
  3. Step 3: Cross multiply
    139,639,568.34x = 192,702,602.03 × 80,936,283.23
  4. Step 4: Simplify right side
    139,639,568.34x = 15,596,632,377,058,054
  5. Step 5: Solve for x
    x = 15,596,632,377,058,054/139,639,568.34
  6. Step 6: Final answer
    x = 111,692,069.54

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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.