Home / 85,030,642.52-117,346,132.26-47,873,690.21

Finding the Fourth Proportional to 85,030,642.52, 117,346,132.26 and 47,873,690.21

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Solution

The fourth proportional to 85,030,642.52, 117,346,132.26 and 47,873,690.21 is: 66,067,857.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,030,642.52 : 117,346,132.26 = 47,873,690.21 : x
  2. Step 2: Convert to fraction form
    85,030,642.52/117,346,132.26 = 47,873,690.21/x
  3. Step 3: Cross multiply
    85,030,642.52x = 117,346,132.26 × 47,873,690.21
  4. Step 4: Simplify right side
    85,030,642.52x = 5,617,792,383,450,293
  5. Step 5: Solve for x
    x = 5,617,792,383,450,293/85,030,642.52
  6. Step 6: Final answer
    x = 66,067,857.63

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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.