Home / 55,147,640.20-82,721,460.30-16,809,092.80

Finding the Fourth Proportional to 55,147,640.20, 82,721,460.30 and 16,809,092.80

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Solution

The fourth proportional to 55,147,640.20, 82,721,460.30 and 16,809,092.80 is: 25,213,639.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,147,640.20 : 82,721,460.30 = 16,809,092.80 : x
  2. Step 2: Convert to fraction form
    55,147,640.20/82,721,460.30 = 16,809,092.80/x
  3. Step 3: Cross multiply
    55,147,640.20x = 82,721,460.30 × 16,809,092.80
  4. Step 4: Simplify right side
    55,147,640.20x = 1,390,472,702,734,215.75
  5. Step 5: Solve for x
    x = 1,390,472,702,734,215.75/55,147,640.20
  6. Step 6: Final answer
    x = 25,213,639.20

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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.