Home / 87,224,429.76-120,370,509.18-48,067,611.48

Finding the Fourth Proportional to 87,224,429.76, 120,370,509.18 and 48,067,611.48

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Solution

The fourth proportional to 87,224,429.76, 120,370,509.18 and 48,067,611.48 is: 66,333,742.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,224,429.76 : 120,370,509.18 = 48,067,611.48 : x
  2. Step 2: Convert to fraction form
    87,224,429.76/120,370,509.18 = 48,067,611.48/x
  3. Step 3: Cross multiply
    87,224,429.76x = 120,370,509.18 × 48,067,611.48
  4. Step 4: Simplify right side
    87,224,429.76x = 5,785,922,868,914,013
  5. Step 5: Solve for x
    x = 5,785,922,868,914,013/87,224,429.76
  6. Step 6: Final answer
    x = 66,333,742.56

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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.