Finding the Fourth Proportional to 206,747,262.24, 285,313,135.28 and 113,931,091.68
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Solution
The fourth proportional to 206,747,262.24, 285,313,135.28 and 113,931,091.68 is: 157,225,960.92
Step by Step Solution
- Step 1: Write the proportion equation
206,747,262.24 : 285,313,135.28 = 113,931,091.68 : x - Step 2: Convert to fraction form
206,747,262.24/285,313,135.28 = 113,931,091.68/x - Step 3: Cross multiply
206,747,262.24x = 285,313,135.28 × 113,931,091.68 - Step 4: Simplify right side
206,747,262.24x = 32,506,036,973,093,920 - Step 5: Solve for x
x = 32,506,036,973,093,920/206,747,262.24 - Step 6: Final answer
x = 157,225,960.92
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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.