Home / 257,511,782.22-355,361,332.59-141,618,278.22

Finding the Fourth Proportional to 257,511,782.22, 355,361,332.59 and 141,618,278.22

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Solution

The fourth proportional to 257,511,782.22, 355,361,332.59 and 141,618,278.22 is: 195,430,514.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,511,782.22 : 355,361,332.59 = 141,618,278.22 : x
  2. Step 2: Convert to fraction form
    257,511,782.22/355,361,332.59 = 141,618,278.22/x
  3. Step 3: Cross multiply
    257,511,782.22x = 355,361,332.59 × 141,618,278.22
  4. Step 4: Simplify right side
    257,511,782.22x = 50,325,660,067,360,568
  5. Step 5: Solve for x
    x = 50,325,660,067,360,568/257,511,782.22
  6. Step 6: Final answer
    x = 195,430,514.42

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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.