Home / 75,385,245.24-113,084,381.03-20,797,830.83

Finding the Fourth Proportional to 75,385,245.24, 113,084,381.03 and 20,797,830.83

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Solution

The fourth proportional to 75,385,245.24, 113,084,381.03 and 20,797,830.83 is: 31,198,543.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,385,245.24 : 113,084,381.03 = 20,797,830.83 : x
  2. Step 2: Convert to fraction form
    75,385,245.24/113,084,381.03 = 20,797,830.83/x
  3. Step 3: Cross multiply
    75,385,245.24x = 113,084,381.03 × 20,797,830.83
  4. Step 4: Simplify right side
    75,385,245.24x = 2,351,909,825,507,790
  5. Step 5: Solve for x
    x = 2,351,909,825,507,790/75,385,245.24
  6. Step 6: Final answer
    x = 31,198,543.14

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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.