Home / 115,118,925.68-158,880,321.24-73,289,629.28

Finding the Fourth Proportional to 115,118,925.68, 158,880,321.24 and 73,289,629.28

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Solution

The fourth proportional to 115,118,925.68, 158,880,321.24 and 73,289,629.28 is: 101,150,004.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,118,925.68 : 158,880,321.24 = 73,289,629.28 : x
  2. Step 2: Convert to fraction form
    115,118,925.68/158,880,321.24 = 73,289,629.28/x
  3. Step 3: Cross multiply
    115,118,925.68x = 158,880,321.24 × 73,289,629.28
  4. Step 4: Simplify right side
    115,118,925.68x = 11,644,279,843,566,910
  5. Step 5: Solve for x
    x = 11,644,279,843,566,910/115,118,925.68
  6. Step 6: Final answer
    x = 101,150,004.44

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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.