Home / 85,115,613.80-127,691,354.10-27,603,400.46

Finding the Fourth Proportional to 85,115,613.80, 127,691,354.10 and 27,603,400.46

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Solution

The fourth proportional to 85,115,613.80, 127,691,354.10 and 27,603,400.46 is: 41,410,916.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,115,613.80 : 127,691,354.10 = 27,603,400.46 : x
  2. Step 2: Convert to fraction form
    85,115,613.80/127,691,354.10 = 27,603,400.46/x
  3. Step 3: Cross multiply
    85,115,613.80x = 127,691,354.10 × 27,603,400.46
  4. Step 4: Simplify right side
    85,115,613.80x = 3,524,715,582,501,963
  5. Step 5: Solve for x
    x = 3,524,715,582,501,963/85,115,613.80
  6. Step 6: Final answer
    x = 41,410,916.58

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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.