Home / 111,932,797,401.87-154,467,249,006.18-61,183,942,732.68

Finding the Fourth Proportional to 111,932,797,401.87, 154,467,249,006.18 and 61,183,942,732.68

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Solution

The fourth proportional to 111,932,797,401.87, 154,467,249,006.18 and 61,183,942,732.68 is: 84,433,834,735.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,932,797,401.87 : 154,467,249,006.18 = 61,183,942,732.68 : x
  2. Step 2: Convert to fraction form
    111,932,797,401.87/154,467,249,006.18 = 61,183,942,732.68/x
  3. Step 3: Cross multiply
    111,932,797,401.87x = 154,467,249,006.18 × 61,183,942,732.68
  4. Step 4: Simplify right side
    111,932,797,401.87x = 9,450,915,317,268,738,998,272
  5. Step 5: Solve for x
    x = 9,450,915,317,268,738,998,272/111,932,797,401.87
  6. Step 6: Final answer
    x = 84,433,834,735.12

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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.