Finding the Fourth Proportional to 206,776,730.99, 285,351,890.37 and 113,957,239.88
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Solution
The fourth proportional to 206,776,730.99, 285,351,890.37 and 113,957,239.88 is: 157,260,991.92
Step by Step Solution
- Step 1: Write the proportion equation
206,776,730.99 : 285,351,890.37 = 113,957,239.88 : x - Step 2: Convert to fraction form
206,776,730.99/285,351,890.37 = 113,957,239.88/x - Step 3: Cross multiply
206,776,730.99x = 285,351,890.37 × 113,957,239.88 - Step 4: Simplify right side
206,776,730.99x = 32,517,913,821,105,552 - Step 5: Solve for x
x = 32,517,913,821,105,552/206,776,730.99 - Step 6: Final answer
x = 157,260,991.92
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.