Home / 81,296,183,004.24-121,902,404,041.41-36,489,267,853.65

Finding the Fourth Proportional to 81,296,183,004.24, 121,902,404,041.41 and 36,489,267,853.65

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Solution

The fourth proportional to 81,296,183,004.24, 121,902,404,041.41 and 36,489,267,853.65 is: 54,715,108,492.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,296,183,004.24 : 121,902,404,041.41 = 36,489,267,853.65 : x
  2. Step 2: Convert to fraction form
    81,296,183,004.24/121,902,404,041.41 = 36,489,267,853.65/x
  3. Step 3: Cross multiply
    81,296,183,004.24x = 121,902,404,041.41 × 36,489,267,853.65
  4. Step 4: Simplify right side
    81,296,183,004.24x = 4,448,129,473,070,876,327,936
  5. Step 5: Solve for x
    x = 4,448,129,473,070,876,327,936/81,296,183,004.24
  6. Step 6: Final answer
    x = 54,715,108,492.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.