Home / 122,490,157.80-183,735,236.70-109,097,844.60

Finding the Fourth Proportional to 122,490,157.80, 183,735,236.70 and 109,097,844.60

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Solution

The fourth proportional to 122,490,157.80, 183,735,236.70 and 109,097,844.60 is: 163,646,766.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,490,157.80 : 183,735,236.70 = 109,097,844.60 : x
  2. Step 2: Convert to fraction form
    122,490,157.80/183,735,236.70 = 109,097,844.60/x
  3. Step 3: Cross multiply
    122,490,157.80x = 183,735,236.70 × 109,097,844.60
  4. Step 4: Simplify right side
    122,490,157.80x = 20,045,118,301,040,816
  5. Step 5: Solve for x
    x = 20,045,118,301,040,816/122,490,157.80
  6. Step 6: Final answer
    x = 163,646,766.90

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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.