Finding the Fourth Proportional to 66,489,458.40, 99,795,495.96 and 33,723,024.12
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Solution
The fourth proportional to 66,489,458.40, 99,795,495.96 and 33,723,024.12 is: 50,615,631.38
Step by Step Solution
- Step 1: Write the proportion equation
66,489,458.40 : 99,795,495.96 = 33,723,024.12 : x - Step 2: Convert to fraction form
66,489,458.40/99,795,495.96 = 33,723,024.12/x - Step 3: Cross multiply
66,489,458.40x = 99,795,495.96 × 33,723,024.12 - Step 4: Simplify right side
66,489,458.40x = 3,365,405,917,326,442 - Step 5: Solve for x
x = 3,365,405,917,326,442/66,489,458.40 - Step 6: Final answer
x = 50,615,631.38
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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.