Home / 85,025,927.20-127,559,128.44-27,518,198.44

Finding the Fourth Proportional to 85,025,927.20, 127,559,128.44 and 27,518,198.44

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Solution

The fourth proportional to 85,025,927.20, 127,559,128.44 and 27,518,198.44 is: 41,283,847.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,025,927.20 : 127,559,128.44 = 27,518,198.44 : x
  2. Step 2: Convert to fraction form
    85,025,927.20/127,559,128.44 = 27,518,198.44/x
  3. Step 3: Cross multiply
    85,025,927.20x = 127,559,128.44 × 27,518,198.44
  4. Step 4: Simplify right side
    85,025,927.20x = 3,510,197,409,245,367.50
  5. Step 5: Solve for x
    x = 3,510,197,409,245,367.50/85,025,927.20
  6. Step 6: Final answer
    x = 41,283,847.47

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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.