Home / 220,691,765.69-304,564,084.49-122,906,621.69

Finding the Fourth Proportional to 220,691,765.69, 304,564,084.49 and 122,906,621.69

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Solution

The fourth proportional to 220,691,765.69, 304,564,084.49 and 122,906,621.69 is: 169,616,399.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,691,765.69 : 304,564,084.49 = 122,906,621.69 : x
  2. Step 2: Convert to fraction form
    220,691,765.69/304,564,084.49 = 122,906,621.69/x
  3. Step 3: Cross multiply
    220,691,765.69x = 304,564,084.49 × 122,906,621.69
  4. Step 4: Simplify right side
    220,691,765.69x = 37,432,942,712,773,624
  5. Step 5: Solve for x
    x = 37,432,942,712,773,624/220,691,765.69
  6. Step 6: Final answer
    x = 169,616,399.58

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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.