Home / 71,381,975.28-107,073,022.80-19,567,141.44

Finding the Fourth Proportional to 71,381,975.28, 107,073,022.80 and 19,567,141.44

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Solution

The fourth proportional to 71,381,975.28, 107,073,022.80 and 19,567,141.44 is: 29,350,728.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,381,975.28 : 107,073,022.80 = 19,567,141.44 : x
  2. Step 2: Convert to fraction form
    71,381,975.28/107,073,022.80 = 19,567,141.44/x
  3. Step 3: Cross multiply
    71,381,975.28x = 107,073,022.80 × 19,567,141.44
  4. Step 4: Simplify right side
    71,381,975.28x = 2,095,112,981,535,945
  5. Step 5: Solve for x
    x = 2,095,112,981,535,945/71,381,975.28
  6. Step 6: Final answer
    x = 29,350,728.57

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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.