Home / 57,304,816.20-85,957,224.30-18,970,205.40

Finding the Fourth Proportional to 57,304,816.20, 85,957,224.30 and 18,970,205.40

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Solution

The fourth proportional to 57,304,816.20, 85,957,224.30 and 18,970,205.40 is: 28,455,308.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,304,816.20 : 85,957,224.30 = 18,970,205.40 : x
  2. Step 2: Convert to fraction form
    57,304,816.20/85,957,224.30 = 18,970,205.40/x
  3. Step 3: Cross multiply
    57,304,816.20x = 85,957,224.30 × 18,970,205.40
  4. Step 4: Simplify right side
    57,304,816.20x = 1,630,626,200,584,871
  5. Step 5: Solve for x
    x = 1,630,626,200,584,871/57,304,816.20
  6. Step 6: Final answer
    x = 28,455,308.10

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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.