Home / 248,034,388.52-342,284,739.86-136,522,845.20

Finding the Fourth Proportional to 248,034,388.52, 342,284,739.86 and 136,522,845.20

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Solution

The fourth proportional to 248,034,388.52, 342,284,739.86 and 136,522,845.20 is: 188,400,031.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,034,388.52 : 342,284,739.86 = 136,522,845.20 : x
  2. Step 2: Convert to fraction form
    248,034,388.52/342,284,739.86 = 136,522,845.20/x
  3. Step 3: Cross multiply
    248,034,388.52x = 342,284,739.86 × 136,522,845.20
  4. Step 4: Simplify right side
    248,034,388.52x = 46,729,686,551,835,008
  5. Step 5: Solve for x
    x = 46,729,686,551,835,008/248,034,388.52
  6. Step 6: Final answer
    x = 188,400,031.27

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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.