Home / 119,555,200,778.82-164,986,923,213.49-65,361,866,183.70

Finding the Fourth Proportional to 119,555,200,778.82, 164,986,923,213.49 and 65,361,866,183.70

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Solution

The fourth proportional to 119,555,200,778.82, 164,986,923,213.49 and 65,361,866,183.70 is: 90,199,783,254.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,555,200,778.82 : 164,986,923,213.49 = 65,361,866,183.70 : x
  2. Step 2: Convert to fraction form
    119,555,200,778.82/164,986,923,213.49 = 65,361,866,183.70/x
  3. Step 3: Cross multiply
    119,555,200,778.82x = 164,986,923,213.49 × 65,361,866,183.70
  4. Step 4: Simplify right side
    119,555,200,778.82x = 10,783,853,197,140,519,026,688
  5. Step 5: Solve for x
    x = 10,783,853,197,140,519,026,688/119,555,200,778.82
  6. Step 6: Final answer
    x = 90,199,783,254.02

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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.