Home / 147,267,422,748.45-203,234,057,828.36-85,463,207,310.51

Finding the Fourth Proportional to 147,267,422,748.45, 203,234,057,828.36 and 85,463,207,310.51

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Solution

The fourth proportional to 147,267,422,748.45, 203,234,057,828.36 and 85,463,207,310.51 is: 117,942,136,098.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,267,422,748.45 : 203,234,057,828.36 = 85,463,207,310.51 : x
  2. Step 2: Convert to fraction form
    147,267,422,748.45/203,234,057,828.36 = 85,463,207,310.51/x
  3. Step 3: Cross multiply
    147,267,422,748.45x = 203,234,057,828.36 × 85,463,207,310.51
  4. Step 4: Simplify right side
    147,267,422,748.45x = 17,369,034,416,741,305,810,944
  5. Step 5: Solve for x
    x = 17,369,034,416,741,305,810,944/147,267,422,748.45
  6. Step 6: Final answer
    x = 117,942,136,098.96

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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.