Home / 117,468,928.11-162,122,067.09-71,059,514.16

Finding the Fourth Proportional to 117,468,928.11, 162,122,067.09 and 71,059,514.16

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Solution

The fourth proportional to 117,468,928.11, 162,122,067.09 and 71,059,514.16 is: 98,071,170.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,468,928.11 : 162,122,067.09 = 71,059,514.16 : x
  2. Step 2: Convert to fraction form
    117,468,928.11/162,122,067.09 = 71,059,514.16/x
  3. Step 3: Cross multiply
    117,468,928.11x = 162,122,067.09 × 71,059,514.16
  4. Step 4: Simplify right side
    117,468,928.11x = 11,520,315,322,030,324
  5. Step 5: Solve for x
    x = 11,520,315,322,030,324/117,468,928.11
  6. Step 6: Final answer
    x = 98,071,170.88

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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.