Home / 105,611,933,137.92-158,483,060,018.83-48,941,233,078.78

Finding the Fourth Proportional to 105,611,933,137.92, 158,483,060,018.83 and 48,941,233,078.78

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Solution

The fourth proportional to 105,611,933,137.92, 158,483,060,018.83 and 48,941,233,078.78 is: 73,442,045,315.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,611,933,137.92 : 158,483,060,018.83 = 48,941,233,078.78 : x
  2. Step 2: Convert to fraction form
    105,611,933,137.92/158,483,060,018.83 = 48,941,233,078.78/x
  3. Step 3: Cross multiply
    105,611,933,137.92x = 158,483,060,018.83 × 48,941,233,078.78
  4. Step 4: Simplify right side
    105,611,933,137.92x = 7,756,356,379,419,837,726,720
  5. Step 5: Solve for x
    x = 7,756,356,379,419,837,726,720/105,611,933,137.92
  6. Step 6: Final answer
    x = 73,442,045,315.95

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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.