Home / 84,997,661.40-127,464,999.30-27,491,808.60

Finding the Fourth Proportional to 84,997,661.40, 127,464,999.30 and 27,491,808.60

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Solution

The fourth proportional to 84,997,661.40, 127,464,999.30 and 27,491,808.60 is: 41,227,526.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,997,661.40 : 127,464,999.30 = 27,491,808.60 : x
  2. Step 2: Convert to fraction form
    84,997,661.40/127,464,999.30 = 27,491,808.60/x
  3. Step 3: Cross multiply
    84,997,661.40x = 127,464,999.30 × 27,491,808.60
  4. Step 4: Simplify right side
    84,997,661.40x = 3,504,243,363,954,734
  5. Step 5: Solve for x
    x = 3,504,243,363,954,734/84,997,661.40
  6. Step 6: Final answer
    x = 41,227,526.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.