Home / 71,682,556,390.92-107,555,554,632.69-37,640,079,619.92

Finding the Fourth Proportional to 71,682,556,390.92, 107,555,554,632.69 and 37,640,079,619.92

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Solution

The fourth proportional to 71,682,556,390.92, 107,555,554,632.69 and 37,640,079,619.92 is: 56,476,775,435.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,682,556,390.92 : 107,555,554,632.69 = 37,640,079,619.92 : x
  2. Step 2: Convert to fraction form
    71,682,556,390.92/107,555,554,632.69 = 37,640,079,619.92/x
  3. Step 3: Cross multiply
    71,682,556,390.92x = 107,555,554,632.69 × 37,640,079,619.92
  4. Step 4: Simplify right side
    71,682,556,390.92x = 4,048,399,639,939,106,996,224
  5. Step 5: Solve for x
    x = 4,048,399,639,939,106,996,224/71,682,556,390.92
  6. Step 6: Final answer
    x = 56,476,775,435.59

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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.