Home / 119,790,185.75-165,310,456.22-64,786,042.19

Finding the Fourth Proportional to 119,790,185.75, 165,310,456.22 and 64,786,042.19

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Solution

The fourth proportional to 119,790,185.75, 165,310,456.22 and 64,786,042.19 is: 89,404,738.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,790,185.75 : 165,310,456.22 = 64,786,042.19 : x
  2. Step 2: Convert to fraction form
    119,790,185.75/165,310,456.22 = 64,786,042.19/x
  3. Step 3: Cross multiply
    119,790,185.75x = 165,310,456.22 × 64,786,042.19
  4. Step 4: Simplify right side
    119,790,185.75x = 10,709,810,190,793,138
  5. Step 5: Solve for x
    x = 10,709,810,190,793,138/119,790,185.75
  6. Step 6: Final answer
    x = 89,404,738.16

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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.