Home / 87,663,084,346.62-120,987,757,085.22-49,084,490,384.80

Finding the Fourth Proportional to 87,663,084,346.62, 120,987,757,085.22 and 49,084,490,384.80

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Solution

The fourth proportional to 87,663,084,346.62, 120,987,757,085.22 and 49,084,490,384.80 is: 67,743,708,125.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,663,084,346.62 : 120,987,757,085.22 = 49,084,490,384.80 : x
  2. Step 2: Convert to fraction form
    87,663,084,346.62/120,987,757,085.22 = 49,084,490,384.80/x
  3. Step 3: Cross multiply
    87,663,084,346.62x = 120,987,757,085.22 × 49,084,490,384.80
  4. Step 4: Simplify right side
    87,663,084,346.62x = 5,938,622,399,327,757,139,968
  5. Step 5: Solve for x
    x = 5,938,622,399,327,757,139,968/87,663,084,346.62
  6. Step 6: Final answer
    x = 67,743,708,125.15

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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.