Finding the Fourth Proportional to 206,008,851.84, 308,965,337.91 and 76,677,370.08
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Solution
The fourth proportional to 206,008,851.84, 308,965,337.91 and 76,677,370.08 is: 114,998,211.70
Step by Step Solution
- Step 1: Write the proportion equation
206,008,851.84 : 308,965,337.91 = 76,677,370.08 : x - Step 2: Convert to fraction form
206,008,851.84/308,965,337.91 = 76,677,370.08/x - Step 3: Cross multiply
206,008,851.84x = 308,965,337.91 × 76,677,370.08 - Step 4: Simplify right side
206,008,851.84x = 23,690,649,556,817,324 - Step 5: Solve for x
x = 23,690,649,556,817,324/206,008,851.84 - Step 6: Final answer
x = 114,998,211.70
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.