Home / 122,601,205.86-169,052,212.23-100,204,690.61

Finding the Fourth Proportional to 122,601,205.86, 169,052,212.23 and 100,204,690.61

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Solution

The fourth proportional to 122,601,205.86, 169,052,212.23 and 100,204,690.61 is: 138,170,130.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,601,205.86 : 169,052,212.23 = 100,204,690.61 : x
  2. Step 2: Convert to fraction form
    122,601,205.86/169,052,212.23 = 100,204,690.61/x
  3. Step 3: Cross multiply
    122,601,205.86x = 169,052,212.23 × 100,204,690.61
  4. Step 4: Simplify right side
    122,601,205.86x = 16,939,824,622,597,946
  5. Step 5: Solve for x
    x = 16,939,824,622,597,946/122,601,205.86
  6. Step 6: Final answer
    x = 138,170,130.58

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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.