Home / 82,322,968.94-113,605,859.54-45,153,551.78

Finding the Fourth Proportional to 82,322,968.94, 113,605,859.54 and 45,153,551.78

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Solution

The fourth proportional to 82,322,968.94, 113,605,859.54 and 45,153,551.78 is: 62,311,990.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,322,968.94 : 113,605,859.54 = 45,153,551.78 : x
  2. Step 2: Convert to fraction form
    82,322,968.94/113,605,859.54 = 45,153,551.78/x
  3. Step 3: Cross multiply
    82,322,968.94x = 113,605,859.54 × 45,153,551.78
  4. Step 4: Simplify right side
    82,322,968.94x = 5,129,708,061,250,797
  5. Step 5: Solve for x
    x = 5,129,708,061,250,797/82,322,968.94
  6. Step 6: Final answer
    x = 62,311,990.53

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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.