Home / 190,179,609.60-262,448,908.80-103,259,481.60

Finding the Fourth Proportional to 190,179,609.60, 262,448,908.80 and 103,259,481.60

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Solution

The fourth proportional to 190,179,609.60, 262,448,908.80 and 103,259,481.60 is: 142,498,653.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,179,609.60 : 262,448,908.80 = 103,259,481.60 : x
  2. Step 2: Convert to fraction form
    190,179,609.60/262,448,908.80 = 103,259,481.60/x
  3. Step 3: Cross multiply
    190,179,609.60x = 262,448,908.80 × 103,259,481.60
  4. Step 4: Simplify right side
    190,179,609.60x = 27,100,338,269,173,676
  5. Step 5: Solve for x
    x = 27,100,338,269,173,676/190,179,609.60
  6. Step 6: Final answer
    x = 142,498,653.38

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1.5x scale

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.