Home / 75,503,697.03-113,237,141.67-20,914,864.83

Finding the Fourth Proportional to 75,503,697.03, 113,237,141.67 and 20,914,864.83

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Solution

The fourth proportional to 75,503,697.03, 113,237,141.67 and 20,914,864.83 is: 31,367,199.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,503,697.03 : 113,237,141.67 = 20,914,864.83 : x
  2. Step 2: Convert to fraction form
    75,503,697.03/113,237,141.67 = 20,914,864.83/x
  3. Step 3: Cross multiply
    75,503,697.03x = 113,237,141.67 × 20,914,864.83
  4. Step 4: Simplify right side
    75,503,697.03x = 2,368,339,511,763,610.50
  5. Step 5: Solve for x
    x = 2,368,339,511,763,610.50/75,503,697.03
  6. Step 6: Final answer
    x = 31,367,199.29

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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.