Home / 165,745,067.76-248,636,825.46-55,090,653.48

Finding the Fourth Proportional to 165,745,067.76, 248,636,825.46 and 55,090,653.48

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Solution

The fourth proportional to 165,745,067.76, 248,636,825.46 and 55,090,653.48 is: 82,642,369.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,745,067.76 : 248,636,825.46 = 55,090,653.48 : x
  2. Step 2: Convert to fraction form
    165,745,067.76/248,636,825.46 = 55,090,653.48/x
  3. Step 3: Cross multiply
    165,745,067.76x = 248,636,825.46 × 55,090,653.48
  4. Step 4: Simplify right side
    165,745,067.76x = 13,697,565,193,784,102
  5. Step 5: Solve for x
    x = 13,697,565,193,784,102/165,745,067.76
  6. Step 6: Final answer
    x = 82,642,369.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.