Finding the Fourth Proportional to 204,113,425.98, 281,681,174.88 and 115,993,538.94
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Solution
The fourth proportional to 204,113,425.98, 281,681,174.88 and 115,993,538.94 is: 160,073,724.55
Step by Step Solution
- Step 1: Write the proportion equation
204,113,425.98 : 281,681,174.88 = 115,993,538.94 : x - Step 2: Convert to fraction form
204,113,425.98/281,681,174.88 = 115,993,538.94/x - Step 3: Cross multiply
204,113,425.98x = 281,681,174.88 × 115,993,538.94 - Step 4: Simplify right side
204,113,425.98x = 32,673,196,327,108,228 - Step 5: Solve for x
x = 32,673,196,327,108,228/204,113,425.98 - Step 6: Final answer
x = 160,073,724.55
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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.