Home / 81,493,797.60-122,246,601.30-49,075,896.60

Finding the Fourth Proportional to 81,493,797.60, 122,246,601.30 and 49,075,896.60

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Solution

The fourth proportional to 81,493,797.60, 122,246,601.30 and 49,075,896.60 is: 73,617,400.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,493,797.60 : 122,246,601.30 = 49,075,896.60 : x
  2. Step 2: Convert to fraction form
    81,493,797.60/122,246,601.30 = 49,075,896.60/x
  3. Step 3: Cross multiply
    81,493,797.60x = 122,246,601.30 × 49,075,896.60
  4. Step 4: Simplify right side
    81,493,797.60x = 5,999,361,565,100,226
  5. Step 5: Solve for x
    x = 5,999,361,565,100,226/81,493,797.60
  6. Step 6: Final answer
    x = 73,617,400.85

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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.