Finding the Fourth Proportional to 211,923,807.68, 317,925,135.84 and 73,743,665.60
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Solution
The fourth proportional to 211,923,807.68, 317,925,135.84 and 73,743,665.60 is: 110,629,216.98
Step by Step Solution
- Step 1: Write the proportion equation
211,923,807.68 : 317,925,135.84 = 73,743,665.60 : x - Step 2: Convert to fraction form
211,923,807.68/317,925,135.84 = 73,743,665.60/x - Step 3: Cross multiply
211,923,807.68x = 317,925,135.84 × 73,743,665.60 - Step 4: Simplify right side
211,923,807.68x = 23,444,964,903,219,532 - Step 5: Solve for x
x = 23,444,964,903,219,532/211,923,807.68 - Step 6: Final answer
x = 110,629,216.98
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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.