Finding the Fourth Proportional to 66,489,680.82, 99,795,825.81 and 33,723,243.12
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Solution
The fourth proportional to 66,489,680.82, 99,795,825.81 and 33,723,243.12 is: 50,615,958.07
Step by Step Solution
- Step 1: Write the proportion equation
66,489,680.82 : 99,795,825.81 = 33,723,243.12 : x - Step 2: Convert to fraction form
66,489,680.82/99,795,825.81 = 33,723,243.12/x - Step 3: Cross multiply
66,489,680.82x = 99,795,825.81 × 33,723,243.12 - Step 4: Simplify right side
66,489,680.82x = 3,365,438,896,151,800.50 - Step 5: Solve for x
x = 3,365,438,896,151,800.50/66,489,680.82 - Step 6: Final answer
x = 50,615,958.07
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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.