Home / 286,015,933.08-394,669,927.80-168,533,617.32

Finding the Fourth Proportional to 286,015,933.08, 394,669,927.80 and 168,533,617.32

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Solution

The fourth proportional to 286,015,933.08, 394,669,927.80 and 168,533,617.32 is: 232,557,500.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,015,933.08 : 394,669,927.80 = 168,533,617.32 : x
  2. Step 2: Convert to fraction form
    286,015,933.08/394,669,927.80 = 168,533,617.32/x
  3. Step 3: Cross multiply
    286,015,933.08x = 394,669,927.80 × 168,533,617.32
  4. Step 4: Simplify right side
    286,015,933.08x = 66,515,150,579,557,232
  5. Step 5: Solve for x
    x = 66,515,150,579,557,232/286,015,933.08
  6. Step 6: Final answer
    x = 232,557,500.78

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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.