Home / 81,642,279.38-122,463,419.06-33,773,223.38

Finding the Fourth Proportional to 81,642,279.38, 122,463,419.06 and 33,773,223.38

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Solution

The fourth proportional to 81,642,279.38, 122,463,419.06 and 33,773,223.38 is: 50,659,835.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,642,279.38 : 122,463,419.06 = 33,773,223.38 : x
  2. Step 2: Convert to fraction form
    81,642,279.38/122,463,419.06 = 33,773,223.38/x
  3. Step 3: Cross multiply
    81,642,279.38x = 122,463,419.06 × 33,773,223.38
  4. Step 4: Simplify right side
    81,642,279.38x = 4,135,984,407,264,045.50
  5. Step 5: Solve for x
    x = 4,135,984,407,264,045.50/81,642,279.38
  6. Step 6: Final answer
    x = 50,659,835.06

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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.