Home / 137,172,194.26-189,454,735.18-90,338,624.44

Finding the Fourth Proportional to 137,172,194.26, 189,454,735.18 and 90,338,624.44

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Solution

The fourth proportional to 137,172,194.26, 189,454,735.18 and 90,338,624.44 is: 124,770,769.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,172,194.26 : 189,454,735.18 = 90,338,624.44 : x
  2. Step 2: Convert to fraction form
    137,172,194.26/189,454,735.18 = 90,338,624.44/x
  3. Step 3: Cross multiply
    137,172,194.26x = 189,454,735.18 × 90,338,624.44
  4. Step 4: Simplify right side
    137,172,194.26x = 17,115,080,169,444,962
  5. Step 5: Solve for x
    x = 17,115,080,169,444,962/137,172,194.26
  6. Step 6: Final answer
    x = 124,770,769.05

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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.