Home / 85,202,642.88-127,673,902.59-50,590,884.42

Finding the Fourth Proportional to 85,202,642.88, 127,673,902.59 and 50,590,884.42

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Solution

The fourth proportional to 85,202,642.88, 127,673,902.59 and 50,590,884.42 is: 75,809,099.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,202,642.88 : 127,673,902.59 = 50,590,884.42 : x
  2. Step 2: Convert to fraction form
    85,202,642.88/127,673,902.59 = 50,590,884.42/x
  3. Step 3: Cross multiply
    85,202,642.88x = 127,673,902.59 × 50,590,884.42
  4. Step 4: Simplify right side
    85,202,642.88x = 6,459,135,649,381,029
  5. Step 5: Solve for x
    x = 6,459,135,649,381,029/85,202,642.88
  6. Step 6: Final answer
    x = 75,809,099.71

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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.