Home / 215,990,576.50-324,048,607.97-77,813,554.54

Finding the Fourth Proportional to 215,990,576.50, 324,048,607.97 and 77,813,554.54

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Solution

The fourth proportional to 215,990,576.50, 324,048,607.97 and 77,813,554.54 is: 116,742,935.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,990,576.50 : 324,048,607.97 = 77,813,554.54 : x
  2. Step 2: Convert to fraction form
    215,990,576.50/324,048,607.97 = 77,813,554.54/x
  3. Step 3: Cross multiply
    215,990,576.50x = 324,048,607.97 × 77,813,554.54
  4. Step 4: Simplify right side
    215,990,576.50x = 25,215,374,029,884,680
  5. Step 5: Solve for x
    x = 25,215,374,029,884,680/215,990,576.50
  6. Step 6: Final answer
    x = 116,742,935.91

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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.