Home / 221,266,224.12-305,339,385-122,144,842.56

Finding the Fourth Proportional to 221,266,224.12, 305,339,385 and 122,144,842.56

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Solution

The fourth proportional to 221,266,224.12, 305,339,385 and 122,144,842.56 is: 168,555,464.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,266,224.12 : 305,339,385 = 122,144,842.56 : x
  2. Step 2: Convert to fraction form
    221,266,224.12/305,339,385 = 122,144,842.56/x
  3. Step 3: Cross multiply
    221,266,224.12x = 305,339,385 × 122,144,842.56
  4. Step 4: Simplify right side
    221,266,224.12x = 37,295,631,108,192,224
  5. Step 5: Solve for x
    x = 37,295,631,108,192,224/221,266,224.12
  6. Step 6: Final answer
    x = 168,555,464.15

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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.