Home / 149,454,778.94-206,222,052.34-86,716,494.29

Finding the Fourth Proportional to 149,454,778.94, 206,222,052.34 and 86,716,494.29

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Solution

The fourth proportional to 149,454,778.94, 206,222,052.34 and 86,716,494.29 is: 119,653,941.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,454,778.94 : 206,222,052.34 = 86,716,494.29 : x
  2. Step 2: Convert to fraction form
    149,454,778.94/206,222,052.34 = 86,716,494.29/x
  3. Step 3: Cross multiply
    149,454,778.94x = 206,222,052.34 × 86,716,494.29
  4. Step 4: Simplify right side
    149,454,778.94x = 17,882,853,425,299,864
  5. Step 5: Solve for x
    x = 17,882,853,425,299,864/149,454,778.94
  6. Step 6: Final answer
    x = 119,653,941.83

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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.