Home / 126,184,940.60-188,857,506.90-91,542,860.60

Finding the Fourth Proportional to 126,184,940.60, 188,857,506.90 and 91,542,860.60

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Solution

The fourth proportional to 126,184,940.60, 188,857,506.90 and 91,542,860.60 is: 137,009,664.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,184,940.60 : 188,857,506.90 = 91,542,860.60 : x
  2. Step 2: Convert to fraction form
    126,184,940.60/188,857,506.90 = 91,542,860.60/x
  3. Step 3: Cross multiply
    126,184,940.60x = 188,857,506.90 × 91,542,860.60
  4. Step 4: Simplify right side
    126,184,940.60x = 17,288,556,427,410,238
  5. Step 5: Solve for x
    x = 17,288,556,427,410,238/126,184,940.60
  6. Step 6: Final answer
    x = 137,009,664.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.