Home / 122,318,840.85-168,800,028.18-67,314,697.35

Finding the Fourth Proportional to 122,318,840.85, 168,800,028.18 and 67,314,697.35

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Solution

The fourth proportional to 122,318,840.85, 168,800,028.18 and 67,314,697.35 is: 92,894,297.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,318,840.85 : 168,800,028.18 = 67,314,697.35 : x
  2. Step 2: Convert to fraction form
    122,318,840.85/168,800,028.18 = 67,314,697.35/x
  3. Step 3: Cross multiply
    122,318,840.85x = 168,800,028.18 × 67,314,697.35
  4. Step 4: Simplify right side
    122,318,840.85x = 11,362,722,809,608,170
  5. Step 5: Solve for x
    x = 11,362,722,809,608,170/122,318,840.85
  6. Step 6: Final answer
    x = 92,894,297.65

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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.