Home / 57,304,820.20-85,957,230.30-18,970,209.40

Finding the Fourth Proportional to 57,304,820.20, 85,957,230.30 and 18,970,209.40

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Solution

The fourth proportional to 57,304,820.20, 85,957,230.30 and 18,970,209.40 is: 28,455,314.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,304,820.20 : 85,957,230.30 = 18,970,209.40 : x
  2. Step 2: Convert to fraction form
    57,304,820.20/85,957,230.30 = 18,970,209.40/x
  3. Step 3: Cross multiply
    57,304,820.20x = 85,957,230.30 × 18,970,209.40
  4. Step 4: Simplify right side
    57,304,820.20x = 1,630,626,658,235,024.75
  5. Step 5: Solve for x
    x = 1,630,626,658,235,024.75/57,304,820.20
  6. Step 6: Final answer
    x = 28,455,314.10

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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.