Home / 57,304,823.20-85,957,234.80-18,970,212.40

Finding the Fourth Proportional to 57,304,823.20, 85,957,234.80 and 18,970,212.40

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Solution

The fourth proportional to 57,304,823.20, 85,957,234.80 and 18,970,212.40 is: 28,455,318.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,304,823.20 : 85,957,234.80 = 18,970,212.40 : x
  2. Step 2: Convert to fraction form
    57,304,823.20/85,957,234.80 = 18,970,212.40/x
  3. Step 3: Cross multiply
    57,304,823.20x = 85,957,234.80 × 18,970,212.40
  4. Step 4: Simplify right side
    57,304,823.20x = 1,630,627,001,472,671.25
  5. Step 5: Solve for x
    x = 1,630,627,001,472,671.25/57,304,823.20
  6. Step 6: Final answer
    x = 28,455,318.60

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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.