Home / 216,344,948.42-298,557,067.92-117,225,669.62

Finding the Fourth Proportional to 216,344,948.42, 298,557,067.92 and 117,225,669.62

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Solution

The fourth proportional to 216,344,948.42, 298,557,067.92 and 117,225,669.62 is: 161,771,987.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,344,948.42 : 298,557,067.92 = 117,225,669.62 : x
  2. Step 2: Convert to fraction form
    216,344,948.42/298,557,067.92 = 117,225,669.62/x
  3. Step 3: Cross multiply
    216,344,948.42x = 298,557,067.92 × 117,225,669.62
  4. Step 4: Simplify right side
    216,344,948.42x = 34,998,552,206,705,824
  5. Step 5: Solve for x
    x = 34,998,552,206,705,824/216,344,948.42
  6. Step 6: Final answer
    x = 161,771,987.11

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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.