Finding the Fourth Proportional to 131,993,902.70, 197,990,854.05 and 123,035,950.70
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Solution
The fourth proportional to 131,993,902.70, 197,990,854.05 and 123,035,950.70 is: 184,553,926.05
Step by Step Solution
- Step 1: Write the proportion equation
131,993,902.70 : 197,990,854.05 = 123,035,950.70 : x - Step 2: Convert to fraction form
131,993,902.70/197,990,854.05 = 123,035,950.70/x - Step 3: Cross multiply
131,993,902.70x = 197,990,854.05 × 123,035,950.70 - Step 4: Simplify right side
131,993,902.70x = 24,359,992,957,946,696 - Step 5: Solve for x
x = 24,359,992,957,946,696/131,993,902.70 - Step 6: Final answer
x = 184,553,926.05
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.