Home / 126,198,847.64-189,298,273.08-30,460,735.64

Finding the Fourth Proportional to 126,198,847.64, 189,298,273.08 and 30,460,735.64

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Solution

The fourth proportional to 126,198,847.64, 189,298,273.08 and 30,460,735.64 is: 45,691,103.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,198,847.64 : 189,298,273.08 = 30,460,735.64 : x
  2. Step 2: Convert to fraction form
    126,198,847.64/189,298,273.08 = 30,460,735.64/x
  3. Step 3: Cross multiply
    126,198,847.64x = 189,298,273.08 × 30,460,735.64
  4. Step 4: Simplify right side
    126,198,847.64x = 5,766,164,653,398,409
  5. Step 5: Solve for x
    x = 5,766,164,653,398,409/126,198,847.64
  6. Step 6: Final answer
    x = 45,691,103.85

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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.