Home / 122,887,879.20-184,331,818.80-103,180,384.80

Finding the Fourth Proportional to 122,887,879.20, 184,331,818.80 and 103,180,384.80

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Solution

The fourth proportional to 122,887,879.20, 184,331,818.80 and 103,180,384.80 is: 154,770,577.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,887,879.20 : 184,331,818.80 = 103,180,384.80 : x
  2. Step 2: Convert to fraction form
    122,887,879.20/184,331,818.80 = 103,180,384.80/x
  3. Step 3: Cross multiply
    122,887,879.20x = 184,331,818.80 × 103,180,384.80
  4. Step 4: Simplify right side
    122,887,879.20x = 19,019,427,994,667,876
  5. Step 5: Solve for x
    x = 19,019,427,994,667,876/122,887,879.20
  6. Step 6: Final answer
    x = 154,770,577.20

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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.