Home / 85,498,739.58-117,999,187.62-47,823,997.30

Finding the Fourth Proportional to 85,498,739.58, 117,999,187.62 and 47,823,997.30

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Solution

The fourth proportional to 85,498,739.58, 117,999,187.62 and 47,823,997.30 is: 66,003,228.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,498,739.58 : 117,999,187.62 = 47,823,997.30 : x
  2. Step 2: Convert to fraction form
    85,498,739.58/117,999,187.62 = 47,823,997.30/x
  3. Step 3: Cross multiply
    85,498,739.58x = 117,999,187.62 × 47,823,997.30
  4. Step 4: Simplify right side
    85,498,739.58x = 5,643,192,830,141,073
  5. Step 5: Solve for x
    x = 5,643,192,830,141,073/85,498,739.58
  6. Step 6: Final answer
    x = 66,003,228.33

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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.