Finding the Fourth Proportional to 303,366,120.21, 418,526,130.60 and 176,185,148.54
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Solution
The fourth proportional to 303,366,120.21, 418,526,130.60 and 176,185,148.54 is: 243,066,326.70
Step by Step Solution
- Step 1: Write the proportion equation
303,366,120.21 : 418,526,130.60 = 176,185,148.54 : x - Step 2: Convert to fraction form
303,366,120.21/418,526,130.60 = 176,185,148.54/x - Step 3: Cross multiply
303,366,120.21x = 418,526,130.60 × 176,185,148.54 - Step 4: Simplify right side
303,366,120.21x = 73,738,088,485,539,808 - Step 5: Solve for x
x = 73,738,088,485,539,808/303,366,120.21 - Step 6: Final answer
x = 243,066,326.70
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.