Home / 43,167,367.68-64,742,745.60-20,131,952.64

Finding the Fourth Proportional to 43,167,367.68, 64,742,745.60 and 20,131,952.64

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Solution

The fourth proportional to 43,167,367.68, 64,742,745.60 and 20,131,952.64 is: 30,194,055.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,167,367.68 : 64,742,745.60 = 20,131,952.64 : x
  2. Step 2: Convert to fraction form
    43,167,367.68/64,742,745.60 = 20,131,952.64/x
  3. Step 3: Cross multiply
    43,167,367.68x = 64,742,745.60 × 20,131,952.64
  4. Step 4: Simplify right side
    43,167,367.68x = 1,303,397,888,202,768.50
  5. Step 5: Solve for x
    x = 1,303,397,888,202,768.50/43,167,367.68
  6. Step 6: Final answer
    x = 30,194,055.33

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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.