Home / 85,155,943.97-117,515,184.56-45,997,721.10

Finding the Fourth Proportional to 85,155,943.97, 117,515,184.56 and 45,997,721.10

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Solution

The fourth proportional to 85,155,943.97, 117,515,184.56 and 45,997,721.10 is: 63,476,845.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,155,943.97 : 117,515,184.56 = 45,997,721.10 : x
  2. Step 2: Convert to fraction form
    85,155,943.97/117,515,184.56 = 45,997,721.10/x
  3. Step 3: Cross multiply
    85,155,943.97x = 117,515,184.56 × 45,997,721.10
  4. Step 4: Simplify right side
    85,155,943.97x = 5,405,430,684,606,917
  5. Step 5: Solve for x
    x = 5,405,430,684,606,917/85,155,943.97
  6. Step 6: Final answer
    x = 63,476,845.34

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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.