Home / 122,027,379.53-168,408,169.27-69,113,500.12

Finding the Fourth Proportional to 122,027,379.53, 168,408,169.27 and 69,113,500.12

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Solution

The fourth proportional to 122,027,379.53, 168,408,169.27 and 69,113,500.12 is: 95,382,512.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,027,379.53 : 168,408,169.27 = 69,113,500.12 : x
  2. Step 2: Convert to fraction form
    122,027,379.53/168,408,169.27 = 69,113,500.12/x
  3. Step 3: Cross multiply
    122,027,379.53x = 168,408,169.27 × 69,113,500.12
  4. Step 4: Simplify right side
    122,027,379.53x = 11,639,278,027,088,854
  5. Step 5: Solve for x
    x = 11,639,278,027,088,854/122,027,379.53
  6. Step 6: Final answer
    x = 95,382,512.29

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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.