Finding the Fourth Proportional to 207,666,561.08, 311,280,176.34 and 78,218,163
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Solution
The fourth proportional to 207,666,561.08, 311,280,176.34 and 78,218,163 is: 117,244,506.99
Step by Step Solution
- Step 1: Write the proportion equation
207,666,561.08 : 311,280,176.34 = 78,218,163 : x - Step 2: Convert to fraction form
207,666,561.08/311,280,176.34 = 78,218,163/x - Step 3: Cross multiply
207,666,561.08x = 311,280,176.34 × 78,218,163 - Step 4: Simplify right side
207,666,561.08x = 24,347,763,571,630,860 - Step 5: Solve for x
x = 24,347,763,571,630,860/207,666,561.08 - Step 6: Final answer
x = 117,244,506.99
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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.