Home / 85,261,835.80-117,654,224.58-48,090,067.48

Finding the Fourth Proportional to 85,261,835.80, 117,654,224.58 and 48,090,067.48

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Solution

The fourth proportional to 85,261,835.80, 117,654,224.58 and 48,090,067.48 is: 66,360,283.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,261,835.80 : 117,654,224.58 = 48,090,067.48 : x
  2. Step 2: Convert to fraction form
    85,261,835.80/117,654,224.58 = 48,090,067.48/x
  3. Step 3: Cross multiply
    85,261,835.80x = 117,654,224.58 × 48,090,067.48
  4. Step 4: Simplify right side
    85,261,835.80x = 5,657,999,599,359,274
  5. Step 5: Solve for x
    x = 5,657,999,599,359,274/85,261,835.80
  6. Step 6: Final answer
    x = 66,360,283.55

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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.