Finding the Fourth Proportional to 71,523,849.96, 98,737,904.10 and 47,993,968.02
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Solution
The fourth proportional to 71,523,849.96, 98,737,904.10 and 47,993,968.02 is: 66,255,155.65
Step by Step Solution
- Step 1: Write the proportion equation
71,523,849.96 : 98,737,904.10 = 47,993,968.02 : x - Step 2: Convert to fraction form
71,523,849.96/98,737,904.10 = 47,993,968.02/x - Step 3: Cross multiply
71,523,849.96x = 98,737,904.10 × 47,993,968.02 - Step 4: Simplify right side
71,523,849.96x = 4,738,823,811,737,227 - Step 5: Solve for x
x = 4,738,823,811,737,227/71,523,849.96 - Step 6: Final answer
x = 66,255,155.65
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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.