Home / 86,410,121,756.15-119,243,379,274.22-47,830,622,991.86

Finding the Fourth Proportional to 86,410,121,756.15, 119,243,379,274.22 and 47,830,622,991.86

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Solution

The fourth proportional to 86,410,121,756.15, 119,243,379,274.22 and 47,830,622,991.86 is: 66,004,826,777.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,410,121,756.15 : 119,243,379,274.22 = 47,830,622,991.86 : x
  2. Step 2: Convert to fraction form
    86,410,121,756.15/119,243,379,274.22 = 47,830,622,991.86/x
  3. Step 3: Cross multiply
    86,410,121,756.15x = 119,243,379,274.22 × 47,830,622,991.86
  4. Step 4: Simplify right side
    86,410,121,756.15x = 5,703,485,118,340,589,944,832
  5. Step 5: Solve for x
    x = 5,703,485,118,340,589,944,832/86,410,121,756.15
  6. Step 6: Final answer
    x = 66,004,826,777.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.