Home / 56,919,194.52-85,378,791.21-20,527,584.34

Finding the Fourth Proportional to 56,919,194.52, 85,378,791.21 and 20,527,584.34

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Solution

The fourth proportional to 56,919,194.52, 85,378,791.21 and 20,527,584.34 is: 30,791,376.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,919,194.52 : 85,378,791.21 = 20,527,584.34 : x
  2. Step 2: Convert to fraction form
    56,919,194.52/85,378,791.21 = 20,527,584.34/x
  3. Step 3: Cross multiply
    56,919,194.52x = 85,378,791.21 × 20,527,584.34
  4. Step 4: Simplify right side
    56,919,194.52x = 1,752,620,337,578,141.25
  5. Step 5: Solve for x
    x = 1,752,620,337,578,141.25/56,919,194.52
  6. Step 6: Final answer
    x = 30,791,376.31

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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.