Home / 57,304,819.20-85,957,228.80-18,970,208.40

Finding the Fourth Proportional to 57,304,819.20, 85,957,228.80 and 18,970,208.40

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Solution

The fourth proportional to 57,304,819.20, 85,957,228.80 and 18,970,208.40 is: 28,455,312.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,304,819.20 : 85,957,228.80 = 18,970,208.40 : x
  2. Step 2: Convert to fraction form
    57,304,819.20/85,957,228.80 = 18,970,208.40/x
  3. Step 3: Cross multiply
    57,304,819.20x = 85,957,228.80 × 18,970,208.40
  4. Step 4: Simplify right side
    57,304,819.20x = 1,630,626,543,822,481.75
  5. Step 5: Solve for x
    x = 1,630,626,543,822,481.75/57,304,819.20
  6. Step 6: Final answer
    x = 28,455,312.60

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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.