Home / 126,110,025.11-189,219,648.74-67,749,610.28

Finding the Fourth Proportional to 126,110,025.11, 189,219,648.74 and 67,749,610.28

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Solution

The fourth proportional to 126,110,025.11, 189,219,648.74 and 67,749,610.28 is: 101,653,753.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,110,025.11 : 189,219,648.74 = 67,749,610.28 : x
  2. Step 2: Convert to fraction form
    126,110,025.11/189,219,648.74 = 67,749,610.28/x
  3. Step 3: Cross multiply
    126,110,025.11x = 189,219,648.74 × 67,749,610.28
  4. Step 4: Simplify right side
    126,110,025.11x = 12,819,557,458,168,648
  5. Step 5: Solve for x
    x = 12,819,557,458,168,648/126,110,025.11
  6. Step 6: Final answer
    x = 101,653,753.91

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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.