Home / 77,391,843.36-116,051,892.36-28,856,665.44

Finding the Fourth Proportional to 77,391,843.36, 116,051,892.36 and 28,856,665.44

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Solution

The fourth proportional to 77,391,843.36, 116,051,892.36 and 28,856,665.44 is: 43,271,622.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,391,843.36 : 116,051,892.36 = 28,856,665.44 : x
  2. Step 2: Convert to fraction form
    77,391,843.36/116,051,892.36 = 28,856,665.44/x
  3. Step 3: Cross multiply
    77,391,843.36x = 116,051,892.36 × 28,856,665.44
  4. Step 4: Simplify right side
    77,391,843.36x = 3,348,870,631,511,412
  5. Step 5: Solve for x
    x = 3,348,870,631,511,412/77,391,843.36
  6. Step 6: Final answer
    x = 43,271,622.51

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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.