Home / 55,067,559.21-75,993,294.83-30,620,748.33

Finding the Fourth Proportional to 55,067,559.21, 75,993,294.83 and 30,620,748.33

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Solution

The fourth proportional to 55,067,559.21, 75,993,294.83 and 30,620,748.33 is: 42,256,667.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,067,559.21 : 75,993,294.83 = 30,620,748.33 : x
  2. Step 2: Convert to fraction form
    55,067,559.21/75,993,294.83 = 30,620,748.33/x
  3. Step 3: Cross multiply
    55,067,559.21x = 75,993,294.83 × 30,620,748.33
  4. Step 4: Simplify right side
    55,067,559.21x = 2,326,971,555,603,816.50
  5. Step 5: Solve for x
    x = 2,326,971,555,603,816.50/55,067,559.21
  6. Step 6: Final answer
    x = 42,256,667.79

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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.