Home / 353,422,998.20-530,134,497.30-111,085,902.20

Finding the Fourth Proportional to 353,422,998.20, 530,134,497.30 and 111,085,902.20

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Solution

The fourth proportional to 353,422,998.20, 530,134,497.30 and 111,085,902.20 is: 166,628,853.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,422,998.20 : 530,134,497.30 = 111,085,902.20 : x
  2. Step 2: Convert to fraction form
    353,422,998.20/530,134,497.30 = 111,085,902.20/x
  3. Step 3: Cross multiply
    353,422,998.20x = 530,134,497.30 × 111,085,902.20
  4. Step 4: Simplify right side
    353,422,998.20x = 58,890,468,919,913,968
  5. Step 5: Solve for x
    x = 58,890,468,919,913,968/353,422,998.20
  6. Step 6: Final answer
    x = 166,628,853.30

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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.