Home / 221,053,754.40-330,942,902.40-198,095,503.20

Finding the Fourth Proportional to 221,053,754.40, 330,942,902.40 and 198,095,503.20

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Solution

The fourth proportional to 221,053,754.40, 330,942,902.40 and 198,095,503.20 is: 296,571,759.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,053,754.40 : 330,942,902.40 = 198,095,503.20 : x
  2. Step 2: Convert to fraction form
    221,053,754.40/330,942,902.40 = 198,095,503.20/x
  3. Step 3: Cross multiply
    221,053,754.40x = 330,942,902.40 × 198,095,503.20
  4. Step 4: Simplify right side
    221,053,754.40x = 65,558,300,781,396,480
  5. Step 5: Solve for x
    x = 65,558,300,781,396,480/221,053,754.40
  6. Step 6: Final answer
    x = 296,571,759.02

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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.