Home / 286,015,936.08-394,669,931.94-168,533,620.32

Finding the Fourth Proportional to 286,015,936.08, 394,669,931.94 and 168,533,620.32

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Solution

The fourth proportional to 286,015,936.08, 394,669,931.94 and 168,533,620.32 is: 232,557,504.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,015,936.08 : 394,669,931.94 = 168,533,620.32 : x
  2. Step 2: Convert to fraction form
    286,015,936.08/394,669,931.94 = 168,533,620.32/x
  3. Step 3: Cross multiply
    286,015,936.08x = 394,669,931.94 × 168,533,620.32
  4. Step 4: Simplify right side
    286,015,936.08x = 66,515,152,461,296,200
  5. Step 5: Solve for x
    x = 66,515,152,461,296,200/286,015,936.08
  6. Step 6: Final answer
    x = 232,557,504.92

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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.