Home / 73,463,372.53-101,376,409.78-39,972,989.88

Finding the Fourth Proportional to 73,463,372.53, 101,376,409.78 and 39,972,989.88

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Solution

The fourth proportional to 73,463,372.53, 101,376,409.78 and 39,972,989.88 is: 55,161,069.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,463,372.53 : 101,376,409.78 = 39,972,989.88 : x
  2. Step 2: Convert to fraction form
    73,463,372.53/101,376,409.78 = 39,972,989.88/x
  3. Step 3: Cross multiply
    73,463,372.53x = 101,376,409.78 × 39,972,989.88
  4. Step 4: Simplify right side
    73,463,372.53x = 4,052,318,202,206,673.50
  5. Step 5: Solve for x
    x = 4,052,318,202,206,673.50/73,463,372.53
  6. Step 6: Final answer
    x = 55,161,069.56

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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.