Home / 85,131,839.05-117,481,935.86-45,973,612.59

Finding the Fourth Proportional to 85,131,839.05, 117,481,935.86 and 45,973,612.59

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Solution

The fourth proportional to 85,131,839.05, 117,481,935.86 and 45,973,612.59 is: 63,443,584.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,131,839.05 : 117,481,935.86 = 45,973,612.59 : x
  2. Step 2: Convert to fraction form
    85,131,839.05/117,481,935.86 = 45,973,612.59/x
  3. Step 3: Cross multiply
    85,131,839.05x = 117,481,935.86 × 45,973,612.59
  4. Step 4: Simplify right side
    85,131,839.05x = 5,401,069,005,321,001
  5. Step 5: Solve for x
    x = 5,401,069,005,321,001/85,131,839.05
  6. Step 6: Final answer
    x = 63,443,584.28

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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.