Home / 161,320,037,626.11-222,722,121,190.72-102,691,939,714.64

Finding the Fourth Proportional to 161,320,037,626.11, 222,722,121,190.72 and 102,691,939,714.64

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Solution

The fourth proportional to 161,320,037,626.11, 222,722,121,190.72 and 102,691,939,714.64 is: 141,778,832,803.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,320,037,626.11 : 222,722,121,190.72 = 102,691,939,714.64 : x
  2. Step 2: Convert to fraction form
    161,320,037,626.11/222,722,121,190.72 = 102,691,939,714.64/x
  3. Step 3: Cross multiply
    161,320,037,626.11x = 222,722,121,190.72 × 102,691,939,714.64
  4. Step 4: Simplify right side
    161,320,037,626.11x = 22,871,766,642,434,162,819,072
  5. Step 5: Solve for x
    x = 22,871,766,642,434,162,819,072/161,320,037,626.11
  6. Step 6: Final answer
    x = 141,778,832,803.42

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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.