Home / 136,555,919.43-188,461,772.75-83,667,725.92

Finding the Fourth Proportional to 136,555,919.43, 188,461,772.75 and 83,667,725.92

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Solution

The fourth proportional to 136,555,919.43, 188,461,772.75 and 83,667,725.92 is: 115,470,409.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,555,919.43 : 188,461,772.75 = 83,667,725.92 : x
  2. Step 2: Convert to fraction form
    136,555,919.43/188,461,772.75 = 83,667,725.92/x
  3. Step 3: Cross multiply
    136,555,919.43x = 188,461,772.75 × 83,667,725.92
  4. Step 4: Simplify right side
    136,555,919.43x = 15,768,167,948,844,326
  5. Step 5: Solve for x
    x = 15,768,167,948,844,326/136,555,919.43
  6. Step 6: Final answer
    x = 115,470,409.59

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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.