Home / 136,555,918.43-188,461,771.37-83,667,724.92

Finding the Fourth Proportional to 136,555,918.43, 188,461,771.37 and 83,667,724.92

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Solution

The fourth proportional to 136,555,918.43, 188,461,771.37 and 83,667,724.92 is: 115,470,408.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,555,918.43 : 188,461,771.37 = 83,667,724.92 : x
  2. Step 2: Convert to fraction form
    136,555,918.43/188,461,771.37 = 83,667,724.92/x
  3. Step 3: Cross multiply
    136,555,918.43x = 188,461,771.37 × 83,667,724.92
  4. Step 4: Simplify right side
    136,555,918.43x = 15,768,167,644,502,754
  5. Step 5: Solve for x
    x = 15,768,167,644,502,754/136,555,918.43
  6. Step 6: Final answer
    x = 115,470,408.21

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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.