Home / 193,353,498.80-290,027,406.44-47,787,072.69

Finding the Fourth Proportional to 193,353,498.80, 290,027,406.44 and 47,787,072.69

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Solution

The fourth proportional to 193,353,498.80, 290,027,406.44 and 47,787,072.69 is: 71,679,906.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,353,498.80 : 290,027,406.44 = 47,787,072.69 : x
  2. Step 2: Convert to fraction form
    193,353,498.80/290,027,406.44 = 47,787,072.69/x
  3. Step 3: Cross multiply
    193,353,498.80x = 290,027,406.44 × 47,787,072.69
  4. Step 4: Simplify right side
    193,353,498.80x = 13,859,560,753,640,454
  5. Step 5: Solve for x
    x = 13,859,560,753,640,454/193,353,498.80
  6. Step 6: Final answer
    x = 71,679,906.70

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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.