Home / 77,262,337,109.20-115,893,505,663.80-73,589,016,917.20

Finding the Fourth Proportional to 77,262,337,109.20, 115,893,505,663.80 and 73,589,016,917.20

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Solution

The fourth proportional to 77,262,337,109.20, 115,893,505,663.80 and 73,589,016,917.20 is: 110,383,525,375.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,262,337,109.20 : 115,893,505,663.80 = 73,589,016,917.20 : x
  2. Step 2: Convert to fraction form
    77,262,337,109.20/115,893,505,663.80 = 73,589,016,917.20/x
  3. Step 3: Cross multiply
    77,262,337,109.20x = 115,893,505,663.80 × 73,589,016,917.20
  4. Step 4: Simplify right side
    77,262,337,109.20x = 8,528,489,148,886,992,027,648
  5. Step 5: Solve for x
    x = 8,528,489,148,886,992,027,648/77,262,337,109.20
  6. Step 6: Final answer
    x = 110,383,525,375.80

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1.5x scale

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.