Home / 86,410,121,742.87-119,243,379,255.91-47,830,622,978.59

Finding the Fourth Proportional to 86,410,121,742.87, 119,243,379,255.91 and 47,830,622,978.59

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Solution

The fourth proportional to 86,410,121,742.87, 119,243,379,255.91 and 47,830,622,978.59 is: 66,004,826,759.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,410,121,742.87 : 119,243,379,255.91 = 47,830,622,978.59 : x
  2. Step 2: Convert to fraction form
    86,410,121,742.87/119,243,379,255.91 = 47,830,622,978.59/x
  3. Step 3: Cross multiply
    86,410,121,742.87x = 119,243,379,255.91 × 47,830,622,978.59
  4. Step 4: Simplify right side
    86,410,121,742.87x = 5,703,485,115,882,690,052,096
  5. Step 5: Solve for x
    x = 5,703,485,115,882,690,052,096/86,410,121,742.87
  6. Step 6: Final answer
    x = 66,004,826,759.23

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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.