Home / 55,140,763.70-82,711,145.55-16,802,216.30

Finding the Fourth Proportional to 55,140,763.70, 82,711,145.55 and 16,802,216.30

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Solution

The fourth proportional to 55,140,763.70, 82,711,145.55 and 16,802,216.30 is: 25,203,324.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,140,763.70 : 82,711,145.55 = 16,802,216.30 : x
  2. Step 2: Convert to fraction form
    55,140,763.70/82,711,145.55 = 16,802,216.30/x
  3. Step 3: Cross multiply
    55,140,763.70x = 82,711,145.55 × 16,802,216.30
  4. Step 4: Simplify right side
    55,140,763.70x = 1,389,730,557,951,882.50
  5. Step 5: Solve for x
    x = 1,389,730,557,951,882.50/55,140,763.70
  6. Step 6: Final answer
    x = 25,203,324.45

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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.