Finding the Fourth Proportional to 209,939,017.05, 289,715,968.24 and 117,119,524.99
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Solution
The fourth proportional to 209,939,017.05, 289,715,968.24 and 117,119,524.99 is: 161,625,014.06
Step by Step Solution
- Step 1: Write the proportion equation
209,939,017.05 : 289,715,968.24 = 117,119,524.99 : x - Step 2: Convert to fraction form
209,939,017.05/289,715,968.24 = 117,119,524.99/x - Step 3: Cross multiply
209,939,017.05x = 289,715,968.24 × 117,119,524.99 - Step 4: Simplify right side
209,939,017.05x = 33,931,396,582,286,724 - Step 5: Solve for x
x = 33,931,396,582,286,724/209,939,017.05 - Step 6: Final answer
x = 161,625,014.06
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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.