Home / 54,683,485.70-82,056,721.35-20,629,271.30

Finding the Fourth Proportional to 54,683,485.70, 82,056,721.35 and 20,629,271.30

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Solution

The fourth proportional to 54,683,485.70, 82,056,721.35 and 20,629,271.30 is: 30,955,787.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,683,485.70 : 82,056,721.35 = 20,629,271.30 : x
  2. Step 2: Convert to fraction form
    54,683,485.70/82,056,721.35 = 20,629,271.30/x
  3. Step 3: Cross multiply
    54,683,485.70x = 82,056,721.35 × 20,629,271.30
  4. Step 4: Simplify right side
    54,683,485.70x = 1,692,770,366,717,652.25
  5. Step 5: Solve for x
    x = 1,692,770,366,717,652.25/54,683,485.70
  6. Step 6: Final answer
    x = 30,955,787.57

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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.