Home / 85,643,729.51-118,188,466.20-46,485,514.25

Finding the Fourth Proportional to 85,643,729.51, 118,188,466.20 and 46,485,514.25

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Solution

The fourth proportional to 85,643,729.51, 118,188,466.20 and 46,485,514.25 is: 64,150,074.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,643,729.51 : 118,188,466.20 = 46,485,514.25 : x
  2. Step 2: Convert to fraction form
    85,643,729.51/118,188,466.20 = 46,485,514.25/x
  3. Step 3: Cross multiply
    85,643,729.51x = 118,188,466.20 × 46,485,514.25
  4. Step 4: Simplify right side
    85,643,729.51x = 5,494,051,629,134,801
  5. Step 5: Solve for x
    x = 5,494,051,629,134,801/85,643,729.51
  6. Step 6: Final answer
    x = 64,150,074.51

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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.