Home / 221,266,232.37-305,339,396.45-122,144,850.81

Finding the Fourth Proportional to 221,266,232.37, 305,339,396.45 and 122,144,850.81

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Solution

The fourth proportional to 221,266,232.37, 305,339,396.45 and 122,144,850.81 is: 168,555,475.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,266,232.37 : 305,339,396.45 = 122,144,850.81 : x
  2. Step 2: Convert to fraction form
    221,266,232.37/305,339,396.45 = 122,144,850.81/x
  3. Step 3: Cross multiply
    221,266,232.37x = 305,339,396.45 × 122,144,850.81
  4. Step 4: Simplify right side
    221,266,232.37x = 37,295,635,025,189,968
  5. Step 5: Solve for x
    x = 37,295,635,025,189,968/221,266,232.37
  6. Step 6: Final answer
    x = 168,555,475.57

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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.