Home / 110,641,634.56-152,543,516.80-90,722,008.96

Finding the Fourth Proportional to 110,641,634.56, 152,543,516.80 and 90,722,008.96

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Solution

The fourth proportional to 110,641,634.56, 152,543,516.80 and 90,722,008.96 is: 125,079,987.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,641,634.56 : 152,543,516.80 = 90,722,008.96 : x
  2. Step 2: Convert to fraction form
    110,641,634.56/152,543,516.80 = 90,722,008.96/x
  3. Step 3: Cross multiply
    110,641,634.56x = 152,543,516.80 × 90,722,008.96
  4. Step 4: Simplify right side
    110,641,634.56x = 13,839,054,297,919,510
  5. Step 5: Solve for x
    x = 13,839,054,297,919,510/110,641,634.56
  6. Step 6: Final answer
    x = 125,079,987.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.