Home / 72,125,449.92-108,193,175.82-28,994,670.36

Finding the Fourth Proportional to 72,125,449.92, 108,193,175.82 and 28,994,670.36

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Solution

The fourth proportional to 72,125,449.92, 108,193,175.82 and 28,994,670.36 is: 43,494,015.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,125,449.92 : 108,193,175.82 = 28,994,670.36 : x
  2. Step 2: Convert to fraction form
    72,125,449.92/108,193,175.82 = 28,994,670.36/x
  3. Step 3: Cross multiply
    72,125,449.92x = 108,193,175.82 × 28,994,670.36
  4. Step 4: Simplify right side
    72,125,449.92x = 3,137,025,468,102,422.50
  5. Step 5: Solve for x
    x = 3,137,025,468,102,422.50/72,125,449.92
  6. Step 6: Final answer
    x = 43,494,015.93

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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.