Finding the Fourth Proportional to 305,505,207.99, 421,597,163.66 and 166,276,968.03
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Solution
The fourth proportional to 305,505,207.99, 421,597,163.66 and 166,276,968.03 is: 229,462,203.16
Step by Step Solution
- Step 1: Write the proportion equation
305,505,207.99 : 421,597,163.66 = 166,276,968.03 : x - Step 2: Convert to fraction form
305,505,207.99/421,597,163.66 = 166,276,968.03/x - Step 3: Cross multiply
305,505,207.99x = 421,597,163.66 × 166,276,968.03 - Step 4: Simplify right side
305,505,207.99x = 70,101,898,102,601,112 - Step 5: Solve for x
x = 70,101,898,102,601,112/305,505,207.99 - Step 6: Final answer
x = 229,462,203.16
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.