Home / 85,115,596.77-127,691,328.56-27,603,383.45

Finding the Fourth Proportional to 85,115,596.77, 127,691,328.56 and 27,603,383.45

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Solution

The fourth proportional to 85,115,596.77, 127,691,328.56 and 27,603,383.45 is: 41,410,891.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,115,596.77 : 127,691,328.56 = 27,603,383.45 : x
  2. Step 2: Convert to fraction form
    85,115,596.77/127,691,328.56 = 27,603,383.45/x
  3. Step 3: Cross multiply
    85,115,596.77x = 127,691,328.56 × 27,603,383.45
  4. Step 4: Simplify right side
    85,115,596.77x = 3,524,712,704,705,143
  5. Step 5: Solve for x
    x = 3,524,712,704,705,143/85,115,596.77
  6. Step 6: Final answer
    x = 41,410,891.05

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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.