Home / 80,662,770,131.21-111,324,383,829.30-45,909,040,434.63

Finding the Fourth Proportional to 80,662,770,131.21, 111,324,383,829.30 and 45,909,040,434.63

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Solution

The fourth proportional to 80,662,770,131.21, 111,324,383,829.30 and 45,909,040,434.63 is: 63,360,031,279.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,662,770,131.21 : 111,324,383,829.30 = 45,909,040,434.63 : x
  2. Step 2: Convert to fraction form
    80,662,770,131.21/111,324,383,829.30 = 45,909,040,434.63/x
  3. Step 3: Cross multiply
    80,662,770,131.21x = 111,324,383,829.30 × 45,909,040,434.63
  4. Step 4: Simplify right side
    80,662,770,131.21x = 5,110,795,638,579,603,177,472
  5. Step 5: Solve for x
    x = 5,110,795,638,579,603,177,472/80,662,770,131.21
  6. Step 6: Final answer
    x = 63,360,031,279.19

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Double scale
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1.5x scale

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.