Home / 57,304,820.70-85,957,231.05-18,970,209.90

Finding the Fourth Proportional to 57,304,820.70, 85,957,231.05 and 18,970,209.90

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Solution

The fourth proportional to 57,304,820.70, 85,957,231.05 and 18,970,209.90 is: 28,455,314.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,304,820.70 : 85,957,231.05 = 18,970,209.90 : x
  2. Step 2: Convert to fraction form
    57,304,820.70/85,957,231.05 = 18,970,209.90/x
  3. Step 3: Cross multiply
    57,304,820.70x = 85,957,231.05 × 18,970,209.90
  4. Step 4: Simplify right side
    57,304,820.70x = 1,630,626,715,441,297.25
  5. Step 5: Solve for x
    x = 1,630,626,715,441,297.25/57,304,820.70
  6. Step 6: Final answer
    x = 28,455,314.85

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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.