Home / 33,220,512.90-49,830,769.35-31,785,622.20

Finding the Fourth Proportional to 33,220,512.90, 49,830,769.35 and 31,785,622.20

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Solution

The fourth proportional to 33,220,512.90, 49,830,769.35 and 31,785,622.20 is: 47,678,433.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,220,512.90 : 49,830,769.35 = 31,785,622.20 : x
  2. Step 2: Convert to fraction form
    33,220,512.90/49,830,769.35 = 31,785,622.20/x
  3. Step 3: Cross multiply
    33,220,512.90x = 49,830,769.35 × 31,785,622.20
  4. Step 4: Simplify right side
    33,220,512.90x = 1,583,902,008,494,439.50
  5. Step 5: Solve for x
    x = 1,583,902,008,494,439.50/33,220,512.90
  6. Step 6: Final answer
    x = 47,678,433.30

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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.