Home / 220,355,109.44-330,573,012.96-90,892,093.76

Finding the Fourth Proportional to 220,355,109.44, 330,573,012.96 and 90,892,093.76

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Solution

The fourth proportional to 220,355,109.44, 330,573,012.96 and 90,892,093.76 is: 136,354,783.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,355,109.44 : 330,573,012.96 = 90,892,093.76 : x
  2. Step 2: Convert to fraction form
    220,355,109.44/330,573,012.96 = 90,892,093.76/x
  3. Step 3: Cross multiply
    220,355,109.44x = 330,573,012.96 × 90,892,093.76
  4. Step 4: Simplify right side
    220,355,109.44x = 30,046,473,288,486,016
  5. Step 5: Solve for x
    x = 30,046,473,288,486,016/220,355,109.44
  6. Step 6: Final answer
    x = 136,354,783.72

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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.