Home / 43,504,147.80-65,181,572.10-20,736,019.80

Finding the Fourth Proportional to 43,504,147.80, 65,181,572.10 and 20,736,019.80

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Solution

The fourth proportional to 43,504,147.80, 65,181,572.10 and 20,736,019.80 is: 31,068,448.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,504,147.80 : 65,181,572.10 = 20,736,019.80 : x
  2. Step 2: Convert to fraction form
    43,504,147.80/65,181,572.10 = 20,736,019.80/x
  3. Step 3: Cross multiply
    43,504,147.80x = 65,181,572.10 × 20,736,019.80
  4. Step 4: Simplify right side
    43,504,147.80x = 1,351,606,369,660,727.75
  5. Step 5: Solve for x
    x = 1,351,606,369,660,727.75/43,504,147.80
  6. Step 6: Final answer
    x = 31,068,448.37

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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.