Home / 125,026,821,321.60-187,540,231,982.40-72,131,010,556.80

Finding the Fourth Proportional to 125,026,821,321.60, 187,540,231,982.40 and 72,131,010,556.80

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Solution

The fourth proportional to 125,026,821,321.60, 187,540,231,982.40 and 72,131,010,556.80 is: 108,196,515,835.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,026,821,321.60 : 187,540,231,982.40 = 72,131,010,556.80 : x
  2. Step 2: Convert to fraction form
    125,026,821,321.60/187,540,231,982.40 = 72,131,010,556.80/x
  3. Step 3: Cross multiply
    125,026,821,321.60x = 187,540,231,982.40 × 72,131,010,556.80
  4. Step 4: Simplify right side
    125,026,821,321.60x = 13,527,466,452,947,216,367,616
  5. Step 5: Solve for x
    x = 13,527,466,452,947,216,367,616/125,026,821,321.60
  6. Step 6: Final answer
    x = 108,196,515,835.20

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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.