Finding the Fourth Proportional to 206,510,670.23, 284,974,473.99 and 113,689,185.17
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Solution
The fourth proportional to 206,510,670.23, 284,974,473.99 and 113,689,185.17 is: 156,885,432.14
Step by Step Solution
- Step 1: Write the proportion equation
206,510,670.23 : 284,974,473.99 = 113,689,185.17 : x - Step 2: Convert to fraction form
206,510,670.23/284,974,473.99 = 113,689,185.17/x - Step 3: Cross multiply
206,510,670.23x = 284,974,473.99 × 113,689,185.17 - Step 4: Simplify right side
206,510,670.23x = 32,398,515,740,747,588 - Step 5: Solve for x
x = 32,398,515,740,747,588/206,510,670.23 - Step 6: Final answer
x = 156,885,432.14
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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.