Home / 139,655,619.09-192,695,268.18-80,914,707.27

Finding the Fourth Proportional to 139,655,619.09, 192,695,268.18 and 80,914,707.27

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Solution

The fourth proportional to 139,655,619.09, 192,695,268.18 and 80,914,707.27 is: 111,645,212.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,655,619.09 : 192,695,268.18 = 80,914,707.27 : x
  2. Step 2: Convert to fraction form
    139,655,619.09/192,695,268.18 = 80,914,707.27/x
  3. Step 3: Cross multiply
    139,655,619.09x = 192,695,268.18 × 80,914,707.27
  4. Step 4: Simplify right side
    139,655,619.09x = 15,591,881,217,098,846
  5. Step 5: Solve for x
    x = 15,591,881,217,098,846/139,655,619.09
  6. Step 6: Final answer
    x = 111,645,212.12

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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.