Home / 84,741,044.40-127,111,566.60-27,239,128.20

Finding the Fourth Proportional to 84,741,044.40, 127,111,566.60 and 27,239,128.20

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Solution

The fourth proportional to 84,741,044.40, 127,111,566.60 and 27,239,128.20 is: 40,858,692.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,741,044.40 : 127,111,566.60 = 27,239,128.20 : x
  2. Step 2: Convert to fraction form
    84,741,044.40/127,111,566.60 = 27,239,128.20/x
  3. Step 3: Cross multiply
    84,741,044.40x = 127,111,566.60 × 27,239,128.20
  4. Step 4: Simplify right side
    84,741,044.40x = 3,462,408,258,320,238
  5. Step 5: Solve for x
    x = 3,462,408,258,320,238/84,741,044.40
  6. Step 6: Final answer
    x = 40,858,692.30

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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.