Home / 54,848,873.32-82,215,302.54-20,283,064.96

Finding the Fourth Proportional to 54,848,873.32, 82,215,302.54 and 20,283,064.96

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Solution

The fourth proportional to 54,848,873.32, 82,215,302.54 and 20,283,064.96 is: 30,403,146.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,848,873.32 : 82,215,302.54 = 20,283,064.96 : x
  2. Step 2: Convert to fraction form
    54,848,873.32/82,215,302.54 = 20,283,064.96/x
  3. Step 3: Cross multiply
    54,848,873.32x = 82,215,302.54 × 20,283,064.96
  4. Step 4: Simplify right side
    54,848,873.32x = 1,667,578,322,124,873.25
  5. Step 5: Solve for x
    x = 1,667,578,322,124,873.25/54,848,873.32
  6. Step 6: Final answer
    x = 30,403,146.34

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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.