Home / 43,991,570.80-66,010,975.80-18,435,163.60

Finding the Fourth Proportional to 43,991,570.80, 66,010,975.80 and 18,435,163.60

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Solution

The fourth proportional to 43,991,570.80, 66,010,975.80 and 18,435,163.60 is: 27,662,643.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,991,570.80 : 66,010,975.80 = 18,435,163.60 : x
  2. Step 2: Convert to fraction form
    43,991,570.80/66,010,975.80 = 18,435,163.60/x
  3. Step 3: Cross multiply
    43,991,570.80x = 66,010,975.80 × 18,435,163.60
  4. Step 4: Simplify right side
    43,991,570.80x = 1,216,923,138,268,641
  5. Step 5: Solve for x
    x = 1,216,923,138,268,641/43,991,570.80
  6. Step 6: Final answer
    x = 27,662,643.46

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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.