Home / 135,446,179.38-186,883,707.24-79,694,033.28

Finding the Fourth Proportional to 135,446,179.38, 186,883,707.24 and 79,694,033.28

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Solution

The fourth proportional to 135,446,179.38, 186,883,707.24 and 79,694,033.28 is: 109,958,925.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,446,179.38 : 186,883,707.24 = 79,694,033.28 : x
  2. Step 2: Convert to fraction form
    135,446,179.38/186,883,707.24 = 79,694,033.28/x
  3. Step 3: Cross multiply
    135,446,179.38x = 186,883,707.24 × 79,694,033.28
  4. Step 4: Simplify right side
    135,446,179.38x = 14,893,516,384,274,338
  5. Step 5: Solve for x
    x = 14,893,516,384,274,338/135,446,179.38
  6. Step 6: Final answer
    x = 109,958,925.77

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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.