Home / 122,184,121.20-183,276,181.80-67,764,562.80

Finding the Fourth Proportional to 122,184,121.20, 183,276,181.80 and 67,764,562.80

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Solution

The fourth proportional to 122,184,121.20, 183,276,181.80 and 67,764,562.80 is: 101,646,844.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,184,121.20 : 183,276,181.80 = 67,764,562.80 : x
  2. Step 2: Convert to fraction form
    122,184,121.20/183,276,181.80 = 67,764,562.80/x
  3. Step 3: Cross multiply
    122,184,121.20x = 183,276,181.80 × 67,764,562.80
  4. Step 4: Simplify right side
    122,184,121.20x = 12,419,630,331,330,318
  5. Step 5: Solve for x
    x = 12,419,630,331,330,318/122,184,121.20
  6. Step 6: Final answer
    x = 101,646,844.20

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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.