Finding the Fourth Proportional to 209,744,450.70, 289,464,580.23 and 115,677,000.12
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Solution
The fourth proportional to 209,744,450.70, 289,464,580.23 and 115,677,000.12 is: 159,643,767.31
Step by Step Solution
- Step 1: Write the proportion equation
209,744,450.70 : 289,464,580.23 = 115,677,000.12 : x - Step 2: Convert to fraction form
209,744,450.70/289,464,580.23 = 115,677,000.12/x - Step 3: Cross multiply
209,744,450.70x = 289,464,580.23 × 115,677,000.12 - Step 4: Simplify right side
209,744,450.70x = 33,484,394,282,001,464 - Step 5: Solve for x
x = 33,484,394,282,001,464/209,744,450.70 - Step 6: Final answer
x = 159,643,767.31
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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.