Home / 69,889,743.14-96,448,168.94-40,538,453.54

Finding the Fourth Proportional to 69,889,743.14, 96,448,168.94 and 40,538,453.54

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Solution

The fourth proportional to 69,889,743.14, 96,448,168.94 and 40,538,453.54 is: 55,943,253.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,889,743.14 : 96,448,168.94 = 40,538,453.54 : x
  2. Step 2: Convert to fraction form
    69,889,743.14/96,448,168.94 = 40,538,453.54/x
  3. Step 3: Cross multiply
    69,889,743.14x = 96,448,168.94 × 40,538,453.54
  4. Step 4: Simplify right side
    69,889,743.14x = 3,909,859,614,907,327.50
  5. Step 5: Solve for x
    x = 3,909,859,614,907,327.50/69,889,743.14
  6. Step 6: Final answer
    x = 55,943,253.47

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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.