Home / 122,027,334.91-168,408,107.88-69,113,455.54

Finding the Fourth Proportional to 122,027,334.91, 168,408,107.88 and 69,113,455.54

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Solution

The fourth proportional to 122,027,334.91, 168,408,107.88 and 69,113,455.54 is: 95,382,450.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,027,334.91 : 168,408,107.88 = 69,113,455.54 : x
  2. Step 2: Convert to fraction form
    122,027,334.91/168,408,107.88 = 69,113,455.54/x
  3. Step 3: Cross multiply
    122,027,334.91x = 168,408,107.88 × 69,113,455.54
  4. Step 4: Simplify right side
    122,027,334.91x = 11,639,266,276,539,904
  5. Step 5: Solve for x
    x = 11,639,266,276,539,904/122,027,334.91
  6. Step 6: Final answer
    x = 95,382,450.87

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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.