Finding the Fourth Proportional to 64,754,436.80, 97,119,213.60 and 19,317,713.60
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Solution
The fourth proportional to 64,754,436.80, 97,119,213.60 and 19,317,713.60 is: 28,972,858.79
Step by Step Solution
- Step 1: Write the proportion equation
64,754,436.80 : 97,119,213.60 = 19,317,713.60 : x - Step 2: Convert to fraction form
64,754,436.80/97,119,213.60 = 19,317,713.60/x - Step 3: Cross multiply
64,754,436.80x = 97,119,213.60 × 19,317,713.60 - Step 4: Simplify right side
64,754,436.80x = 1,876,121,153,382,025 - Step 5: Solve for x
x = 1,876,121,153,382,025/64,754,436.80 - Step 6: Final answer
x = 28,972,858.79
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.