Home / 220,572,494.80-330,858,742.20-56,809,934.80

Finding the Fourth Proportional to 220,572,494.80, 330,858,742.20 and 56,809,934.80

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Solution

The fourth proportional to 220,572,494.80, 330,858,742.20 and 56,809,934.80 is: 85,214,902.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,572,494.80 : 330,858,742.20 = 56,809,934.80 : x
  2. Step 2: Convert to fraction form
    220,572,494.80/330,858,742.20 = 56,809,934.80/x
  3. Step 3: Cross multiply
    220,572,494.80x = 330,858,742.20 × 56,809,934.80
  4. Step 4: Simplify right side
    220,572,494.80x = 18,796,063,572,392,008
  5. Step 5: Solve for x
    x = 18,796,063,572,392,008/220,572,494.80
  6. Step 6: Final answer
    x = 85,214,902.20

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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.