Home / 65,560,395.72-90,470,974.68-36,191,097.84

Finding the Fourth Proportional to 65,560,395.72, 90,470,974.68 and 36,191,097.84

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Solution

The fourth proportional to 65,560,395.72, 90,470,974.68 and 36,191,097.84 is: 49,942,405.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,560,395.72 : 90,470,974.68 = 36,191,097.84 : x
  2. Step 2: Convert to fraction form
    65,560,395.72/90,470,974.68 = 36,191,097.84/x
  3. Step 3: Cross multiply
    65,560,395.72x = 90,470,974.68 × 36,191,097.84
  4. Step 4: Simplify right side
    65,560,395.72x = 3,274,243,896,324,043.50
  5. Step 5: Solve for x
    x = 3,274,243,896,324,043.50/65,560,395.72
  6. Step 6: Final answer
    x = 49,942,405.94

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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.