Home / 110,717,621.70-166,076,432.55-82,019,807.70

Finding the Fourth Proportional to 110,717,621.70, 166,076,432.55 and 82,019,807.70

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Solution

The fourth proportional to 110,717,621.70, 166,076,432.55 and 82,019,807.70 is: 123,029,711.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,717,621.70 : 166,076,432.55 = 82,019,807.70 : x
  2. Step 2: Convert to fraction form
    110,717,621.70/166,076,432.55 = 82,019,807.70/x
  3. Step 3: Cross multiply
    110,717,621.70x = 166,076,432.55 × 82,019,807.70
  4. Step 4: Simplify right side
    110,717,621.70x = 13,621,557,061,253,022
  5. Step 5: Solve for x
    x = 13,621,557,061,253,022/110,717,621.70
  6. Step 6: Final answer
    x = 123,029,711.55

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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.