Home / 123,408,082,638.90-170,131,001,546.07-82,770,256,146.06

Finding the Fourth Proportional to 123,408,082,638.90, 170,131,001,546.07 and 82,770,256,146.06

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Solution

The fourth proportional to 123,408,082,638.90, 170,131,001,546.07 and 82,770,256,146.06 is: 114,107,490,167.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,408,082,638.90 : 170,131,001,546.07 = 82,770,256,146.06 : x
  2. Step 2: Convert to fraction form
    123,408,082,638.90/170,131,001,546.07 = 82,770,256,146.06/x
  3. Step 3: Cross multiply
    123,408,082,638.90x = 170,131,001,546.07 × 82,770,256,146.06
  4. Step 4: Simplify right side
    123,408,082,638.90x = 14,081,786,576,353,944,928,256
  5. Step 5: Solve for x
    x = 14,081,786,576,353,944,928,256/123,408,082,638.90
  6. Step 6: Final answer
    x = 114,107,490,167.87

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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.