Home / 55,143,821.70-82,715,732.55-14,203,181.70

Finding the Fourth Proportional to 55,143,821.70, 82,715,732.55 and 14,203,181.70

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Solution

The fourth proportional to 55,143,821.70, 82,715,732.55 and 14,203,181.70 is: 21,304,772.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,143,821.70 : 82,715,732.55 = 14,203,181.70 : x
  2. Step 2: Convert to fraction form
    55,143,821.70/82,715,732.55 = 14,203,181.70/x
  3. Step 3: Cross multiply
    55,143,821.70x = 82,715,732.55 × 14,203,181.70
  4. Step 4: Simplify right side
    55,143,821.70x = 1,174,826,578,856,254.25
  5. Step 5: Solve for x
    x = 1,174,826,578,856,254.25/55,143,821.70
  6. Step 6: Final answer
    x = 21,304,772.55

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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.