Home / 55,012,908.30-82,519,362.45-16,669,440.15

Finding the Fourth Proportional to 55,012,908.30, 82,519,362.45 and 16,669,440.15

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Solution

The fourth proportional to 55,012,908.30, 82,519,362.45 and 16,669,440.15 is: 25,004,160.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,012,908.30 : 82,519,362.45 = 16,669,440.15 : x
  2. Step 2: Convert to fraction form
    55,012,908.30/82,519,362.45 = 16,669,440.15/x
  3. Step 3: Cross multiply
    55,012,908.30x = 82,519,362.45 × 16,669,440.15
  4. Step 4: Simplify right side
    55,012,908.30x = 1,375,551,573,576,432.50
  5. Step 5: Solve for x
    x = 1,375,551,573,576,432.50/55,012,908.30
  6. Step 6: Final answer
    x = 25,004,160.23

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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.