Home / 84,129,584.91-116,118,196.58-49,333,485.44

Finding the Fourth Proportional to 84,129,584.91, 116,118,196.58 and 49,333,485.44

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Solution

The fourth proportional to 84,129,584.91, 116,118,196.58 and 49,333,485.44 is: 68,091,568.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,129,584.91 : 116,118,196.58 = 49,333,485.44 : x
  2. Step 2: Convert to fraction form
    84,129,584.91/116,118,196.58 = 49,333,485.44/x
  3. Step 3: Cross multiply
    84,129,584.91x = 116,118,196.58 × 49,333,485.44
  4. Step 4: Simplify right side
    84,129,584.91x = 5,728,515,359,471,230
  5. Step 5: Solve for x
    x = 5,728,515,359,471,230/84,129,584.91
  6. Step 6: Final answer
    x = 68,091,568.09

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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.