Home / 221,266,348.52-305,339,557.41-122,144,968.17

Finding the Fourth Proportional to 221,266,348.52, 305,339,557.41 and 122,144,968.17

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Solution

The fourth proportional to 221,266,348.52, 305,339,557.41 and 122,144,968.17 is: 168,555,637.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,266,348.52 : 305,339,557.41 = 122,144,968.17 : x
  2. Step 2: Convert to fraction form
    221,266,348.52/305,339,557.41 = 122,144,968.17/x
  3. Step 3: Cross multiply
    221,266,348.52x = 305,339,557.41 × 122,144,968.17
  4. Step 4: Simplify right side
    221,266,348.52x = 37,295,690,520,886,344
  5. Step 5: Solve for x
    x = 37,295,690,520,886,344/221,266,348.52
  6. Step 6: Final answer
    x = 168,555,637.91

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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.