Home / 75,404,926.44-113,098,919.40-20,825,271.12

Finding the Fourth Proportional to 75,404,926.44, 113,098,919.40 and 20,825,271.12

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Solution

The fourth proportional to 75,404,926.44, 113,098,919.40 and 20,825,271.12 is: 31,235,567.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,404,926.44 : 113,098,919.40 = 20,825,271.12 : x
  2. Step 2: Convert to fraction form
    75,404,926.44/113,098,919.40 = 20,825,271.12/x
  3. Step 3: Cross multiply
    75,404,926.44x = 113,098,919.40 × 20,825,271.12
  4. Step 4: Simplify right side
    75,404,926.44x = 2,355,315,659,884,028
  5. Step 5: Solve for x
    x = 2,355,315,659,884,028/75,404,926.44
  6. Step 6: Final answer
    x = 31,235,567.37

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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.