Home / 85,109,080.80-127,579,640.40-41,942,949.60

Finding the Fourth Proportional to 85,109,080.80, 127,579,640.40 and 41,942,949.60

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Solution

The fourth proportional to 85,109,080.80, 127,579,640.40 and 41,942,949.60 is: 62,873,037.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,109,080.80 : 127,579,640.40 = 41,942,949.60 : x
  2. Step 2: Convert to fraction form
    85,109,080.80/127,579,640.40 = 41,942,949.60/x
  3. Step 3: Cross multiply
    85,109,080.80x = 127,579,640.40 × 41,942,949.60
  4. Step 4: Simplify right side
    85,109,080.80x = 5,351,066,427,283,324
  5. Step 5: Solve for x
    x = 5,351,066,427,283,324/85,109,080.80
  6. Step 6: Final answer
    x = 62,873,037.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.