Home / 104,172,431.25-156,243,436.06-30,376,380.60

Finding the Fourth Proportional to 104,172,431.25, 156,243,436.06 and 30,376,380.60

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Solution

The fourth proportional to 104,172,431.25, 156,243,436.06 and 30,376,380.60 is: 45,560,135.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,172,431.25 : 156,243,436.06 = 30,376,380.60 : x
  2. Step 2: Convert to fraction form
    104,172,431.25/156,243,436.06 = 30,376,380.60/x
  3. Step 3: Cross multiply
    104,172,431.25x = 156,243,436.06 × 30,376,380.60
  4. Step 4: Simplify right side
    104,172,431.25x = 4,746,110,079,858,443
  5. Step 5: Solve for x
    x = 4,746,110,079,858,443/104,172,431.25
  6. Step 6: Final answer
    x = 45,560,135.47

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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.