Home / 79,855,272.56-110,200,608.20-43,185,843.60

Finding the Fourth Proportional to 79,855,272.56, 110,200,608.20 and 43,185,843.60

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Solution

The fourth proportional to 79,855,272.56, 110,200,608.20 and 43,185,843.60 is: 59,596,643.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,855,272.56 : 110,200,608.20 = 43,185,843.60 : x
  2. Step 2: Convert to fraction form
    79,855,272.56/110,200,608.20 = 43,185,843.60/x
  3. Step 3: Cross multiply
    79,855,272.56x = 110,200,608.20 × 43,185,843.60
  4. Step 4: Simplify right side
    79,855,272.56x = 4,759,106,230,350,078
  5. Step 5: Solve for x
    x = 4,759,106,230,350,078/79,855,272.56
  6. Step 6: Final answer
    x = 59,596,643.75

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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.