Home / 85,115,657.80-127,691,420.22-27,603,444.58

Finding the Fourth Proportional to 85,115,657.80, 127,691,420.22 and 27,603,444.58

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Solution

The fourth proportional to 85,115,657.80, 127,691,420.22 and 27,603,444.58 is: 41,410,982.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,115,657.80 : 127,691,420.22 = 27,603,444.58 : x
  2. Step 2: Convert to fraction form
    85,115,657.80/127,691,420.22 = 27,603,444.58/x
  3. Step 3: Cross multiply
    85,115,657.80x = 127,691,420.22 × 27,603,444.58
  4. Step 4: Simplify right side
    85,115,657.80x = 3,524,723,041,384,261
  5. Step 5: Solve for x
    x = 3,524,723,041,384,261/85,115,657.80
  6. Step 6: Final answer
    x = 41,410,982.80

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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.