Home / 79,382,516.27-119,052,516.76-21,861,113.90

Finding the Fourth Proportional to 79,382,516.27, 119,052,516.76 and 21,861,113.90

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Solution

The fourth proportional to 79,382,516.27, 119,052,516.76 and 21,861,113.90 is: 32,785,816.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,382,516.27 : 119,052,516.76 = 21,861,113.90 : x
  2. Step 2: Convert to fraction form
    79,382,516.27/119,052,516.76 = 21,861,113.90/x
  3. Step 3: Cross multiply
    79,382,516.27x = 119,052,516.76 × 21,861,113.90
  4. Step 4: Simplify right side
    79,382,516.27x = 2,602,620,628,322,103.50
  5. Step 5: Solve for x
    x = 2,602,620,628,322,103.50/79,382,516.27
  6. Step 6: Final answer
    x = 32,785,816.71

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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.