Home / 221,325,007.20-331,987,510.80-106,281,808.80

Finding the Fourth Proportional to 221,325,007.20, 331,987,510.80 and 106,281,808.80

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Solution

The fourth proportional to 221,325,007.20, 331,987,510.80 and 106,281,808.80 is: 159,422,713.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,325,007.20 : 331,987,510.80 = 106,281,808.80 : x
  2. Step 2: Convert to fraction form
    221,325,007.20/331,987,510.80 = 106,281,808.80/x
  3. Step 3: Cross multiply
    221,325,007.20x = 331,987,510.80 × 106,281,808.80
  4. Step 4: Simplify right side
    221,325,007.20x = 35,284,233,146,833,536
  5. Step 5: Solve for x
    x = 35,284,233,146,833,536/221,325,007.20
  6. Step 6: Final answer
    x = 159,422,713.20

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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.