Home / 136,555,919.19-188,461,772.39-83,667,725.66

Finding the Fourth Proportional to 136,555,919.19, 188,461,772.39 and 83,667,725.66

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Solution

The fourth proportional to 136,555,919.19, 188,461,772.39 and 83,667,725.66 is: 115,470,409.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,555,919.19 : 188,461,772.39 = 83,667,725.66 : x
  2. Step 2: Convert to fraction form
    136,555,919.19/188,461,772.39 = 83,667,725.66/x
  3. Step 3: Cross multiply
    136,555,919.19x = 188,461,772.39 × 83,667,725.66
  4. Step 4: Simplify right side
    136,555,919.19x = 15,768,167,870,404,206
  5. Step 5: Solve for x
    x = 15,768,167,870,404,206/136,555,919.19
  6. Step 6: Final answer
    x = 115,470,409.22

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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.