Home / 88,741,076.56-133,717,338.06-72,921,406.58

Finding the Fourth Proportional to 88,741,076.56, 133,717,338.06 and 72,921,406.58

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Solution

The fourth proportional to 88,741,076.56, 133,717,338.06 and 72,921,406.58 is: 109,879,852.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,741,076.56 : 133,717,338.06 = 72,921,406.58 : x
  2. Step 2: Convert to fraction form
    88,741,076.56/133,717,338.06 = 72,921,406.58/x
  3. Step 3: Cross multiply
    88,741,076.56x = 133,717,338.06 × 72,921,406.58
  4. Step 4: Simplify right side
    88,741,076.56x = 9,750,856,375,468,568
  5. Step 5: Solve for x
    x = 9,750,856,375,468,568/88,741,076.56
  6. Step 6: Final answer
    x = 109,879,852.19

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.