Home / 57,304,818.70-85,957,228.05-18,970,207.90

Finding the Fourth Proportional to 57,304,818.70, 85,957,228.05 and 18,970,207.90

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Solution

The fourth proportional to 57,304,818.70, 85,957,228.05 and 18,970,207.90 is: 28,455,311.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,304,818.70 : 85,957,228.05 = 18,970,207.90 : x
  2. Step 2: Convert to fraction form
    57,304,818.70/85,957,228.05 = 18,970,207.90/x
  3. Step 3: Cross multiply
    57,304,818.70x = 85,957,228.05 × 18,970,207.90
  4. Step 4: Simplify right side
    57,304,818.70x = 1,630,626,486,616,211.50
  5. Step 5: Solve for x
    x = 1,630,626,486,616,211.50/57,304,818.70
  6. Step 6: Final answer
    x = 28,455,311.85

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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.