Home / 72,449,341,622.87-108,723,653,194.05-25,285,815,499.79

Finding the Fourth Proportional to 72,449,341,622.87, 108,723,653,194.05 and 25,285,815,499.79

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Solution

The fourth proportional to 72,449,341,622.87, 108,723,653,194.05 and 25,285,815,499.79 is: 37,946,048,556.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,449,341,622.87 : 108,723,653,194.05 = 25,285,815,499.79 : x
  2. Step 2: Convert to fraction form
    72,449,341,622.87/108,723,653,194.05 = 25,285,815,499.79/x
  3. Step 3: Cross multiply
    72,449,341,622.87x = 108,723,653,194.05 × 25,285,815,499.79
  4. Step 4: Simplify right side
    72,449,341,622.87x = 2,749,166,235,128,119,689,216
  5. Step 5: Solve for x
    x = 2,749,166,235,128,119,689,216/72,449,341,622.87
  6. Step 6: Final answer
    x = 37,946,048,556.78

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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.