Home / 136,555,923.32-188,461,778.09-83,667,729.80

Finding the Fourth Proportional to 136,555,923.32, 188,461,778.09 and 83,667,729.80

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Solution

The fourth proportional to 136,555,923.32, 188,461,778.09 and 83,667,729.80 is: 115,470,414.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,555,923.32 : 188,461,778.09 = 83,667,729.80 : x
  2. Step 2: Convert to fraction form
    136,555,923.32/188,461,778.09 = 83,667,729.80/x
  3. Step 3: Cross multiply
    136,555,923.32x = 188,461,778.09 × 83,667,729.80
  4. Step 4: Simplify right side
    136,555,923.32x = 15,768,169,125,501,034
  5. Step 5: Solve for x
    x = 15,768,169,125,501,034/136,555,923.32
  6. Step 6: Final answer
    x = 115,470,414.92

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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.