Home / 85,451,131.60-117,921,909.80-46,292,628.24

Finding the Fourth Proportional to 85,451,131.60, 117,921,909.80 and 46,292,628.24

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Solution

The fourth proportional to 85,451,131.60, 117,921,909.80 and 46,292,628.24 is: 63,883,473.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,451,131.60 : 117,921,909.80 = 46,292,628.24 : x
  2. Step 2: Convert to fraction form
    85,451,131.60/117,921,909.80 = 46,292,628.24/x
  3. Step 3: Cross multiply
    85,451,131.60x = 117,921,909.80 × 46,292,628.24
  4. Step 4: Simplify right side
    85,451,131.60x = 5,458,915,131,722,213
  5. Step 5: Solve for x
    x = 5,458,915,131,722,213/85,451,131.60
  6. Step 6: Final answer
    x = 63,883,473.86

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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.