Home / 73,291,721.82-109,937,489.86-18,704,308.54

Finding the Fourth Proportional to 73,291,721.82, 109,937,489.86 and 18,704,308.54

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Solution

The fourth proportional to 73,291,721.82, 109,937,489.86 and 18,704,308.54 is: 28,056,439.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,291,721.82 : 109,937,489.86 = 18,704,308.54 : x
  2. Step 2: Convert to fraction form
    73,291,721.82/109,937,489.86 = 18,704,308.54/x
  3. Step 3: Cross multiply
    73,291,721.82x = 109,937,489.86 × 18,704,308.54
  4. Step 4: Simplify right side
    73,291,721.82x = 2,056,304,730,361,039.75
  5. Step 5: Solve for x
    x = 2,056,304,730,361,039.75/73,291,721.82
  6. Step 6: Final answer
    x = 28,056,439.11

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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.