Home / 85,131,843.57-117,481,942.05-45,973,617.09

Finding the Fourth Proportional to 85,131,843.57, 117,481,942.05 and 45,973,617.09

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Solution

The fourth proportional to 85,131,843.57, 117,481,942.05 and 45,973,617.09 is: 63,443,590.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,131,843.57 : 117,481,942.05 = 45,973,617.09 : x
  2. Step 2: Convert to fraction form
    85,131,843.57/117,481,942.05 = 45,973,617.09/x
  3. Step 3: Cross multiply
    85,131,843.57x = 117,481,942.05 × 45,973,617.09
  4. Step 4: Simplify right side
    85,131,843.57x = 5,401,069,818,796,270
  5. Step 5: Solve for x
    x = 5,401,069,818,796,270/85,131,843.57
  6. Step 6: Final answer
    x = 63,443,590.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.