Home / 220,363,398.15-330,146,966.03-188,512,902.15

Finding the Fourth Proportional to 220,363,398.15, 330,146,966.03 and 188,512,902.15

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Solution

The fourth proportional to 220,363,398.15, 330,146,966.03 and 188,512,902.15 is: 282,428,766.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,363,398.15 : 330,146,966.03 = 188,512,902.15 : x
  2. Step 2: Convert to fraction form
    220,363,398.15/330,146,966.03 = 188,512,902.15/x
  3. Step 3: Cross multiply
    220,363,398.15x = 330,146,966.03 × 188,512,902.15
  4. Step 4: Simplify right side
    220,363,398.15x = 62,236,962,701,390,200
  5. Step 5: Solve for x
    x = 62,236,962,701,390,200/220,363,398.15
  6. Step 6: Final answer
    x = 282,428,766.41

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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.