Home / 43,679,908.80-65,569,629.60-25,739,121.60

Finding the Fourth Proportional to 43,679,908.80, 65,569,629.60 and 25,739,121.60

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Solution

The fourth proportional to 43,679,908.80, 65,569,629.60 and 25,739,121.60 is: 38,638,008.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,679,908.80 : 65,569,629.60 = 25,739,121.60 : x
  2. Step 2: Convert to fraction form
    43,679,908.80/65,569,629.60 = 25,739,121.60/x
  3. Step 3: Cross multiply
    43,679,908.80x = 65,569,629.60 × 25,739,121.60
  4. Step 4: Simplify right side
    43,679,908.80x = 1,687,704,669,541,359.50
  5. Step 5: Solve for x
    x = 1,687,704,669,541,359.50/43,679,908.80
  6. Step 6: Final answer
    x = 38,638,008.09

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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.