Home / 190,179,385.96-262,448,600.42-103,259,257.96

Finding the Fourth Proportional to 190,179,385.96, 262,448,600.42 and 103,259,257.96

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Solution

The fourth proportional to 190,179,385.96, 262,448,600.42 and 103,259,257.96 is: 142,498,344.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,179,385.96 : 262,448,600.42 = 103,259,257.96 : x
  2. Step 2: Convert to fraction form
    190,179,385.96/262,448,600.42 = 103,259,257.96/x
  3. Step 3: Cross multiply
    190,179,385.96x = 262,448,600.42 × 103,259,257.96
  4. Step 4: Simplify right side
    190,179,385.96x = 27,100,247,732,009,740
  5. Step 5: Solve for x
    x = 27,100,247,732,009,740/190,179,385.96
  6. Step 6: Final answer
    x = 142,498,344.89

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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.