Finding the Fourth Proportional to 209,952,900.45, 314,929,350.68 and 189,545,566.05
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Solution
The fourth proportional to 209,952,900.45, 314,929,350.68 and 189,545,566.05 is: 284,318,349.08
Step by Step Solution
- Step 1: Write the proportion equation
209,952,900.45 : 314,929,350.68 = 189,545,566.05 : x - Step 2: Convert to fraction form
209,952,900.45/314,929,350.68 = 189,545,566.05/x - Step 3: Cross multiply
209,952,900.45x = 314,929,350.68 × 189,545,566.05 - Step 4: Simplify right side
209,952,900.45x = 59,693,462,039,451,832 - Step 5: Solve for x
x = 59,693,462,039,451,832/209,952,900.45 - Step 6: Final answer
x = 284,318,349.08
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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.