Home / 54,685,769.70-82,060,147.35-20,631,555.30

Finding the Fourth Proportional to 54,685,769.70, 82,060,147.35 and 20,631,555.30

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Solution

The fourth proportional to 54,685,769.70, 82,060,147.35 and 20,631,555.30 is: 30,959,214.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,685,769.70 : 82,060,147.35 = 20,631,555.30 : x
  2. Step 2: Convert to fraction form
    54,685,769.70/82,060,147.35 = 20,631,555.30/x
  3. Step 3: Cross multiply
    54,685,769.70x = 82,060,147.35 × 20,631,555.30
  4. Step 4: Simplify right side
    54,685,769.70x = 1,693,028,467,977,673.50
  5. Step 5: Solve for x
    x = 1,693,028,467,977,673.50/54,685,769.70
  6. Step 6: Final answer
    x = 30,959,214.39

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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.