Home / 119,790,186.25-165,310,456.91-64,786,042.69

Finding the Fourth Proportional to 119,790,186.25, 165,310,456.91 and 64,786,042.69

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Solution

The fourth proportional to 119,790,186.25, 165,310,456.91 and 64,786,042.69 is: 89,404,738.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,790,186.25 : 165,310,456.91 = 64,786,042.69 : x
  2. Step 2: Convert to fraction form
    119,790,186.25/165,310,456.91 = 64,786,042.69/x
  3. Step 3: Cross multiply
    119,790,186.25x = 165,310,456.91 × 64,786,042.69
  4. Step 4: Simplify right side
    119,790,186.25x = 10,709,810,318,474,664
  5. Step 5: Solve for x
    x = 10,709,810,318,474,664/119,790,186.25
  6. Step 6: Final answer
    x = 89,404,738.85

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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.