Finding the Fourth Proportional to 215,664,245.80, 323,496,368.70 and 134,034,908.20
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Solution
The fourth proportional to 215,664,245.80, 323,496,368.70 and 134,034,908.20 is: 201,052,362.30
Step by Step Solution
- Step 1: Write the proportion equation
215,664,245.80 : 323,496,368.70 = 134,034,908.20 : x - Step 2: Convert to fraction form
215,664,245.80/323,496,368.70 = 134,034,908.20/x - Step 3: Cross multiply
215,664,245.80x = 323,496,368.70 × 134,034,908.20 - Step 4: Simplify right side
215,664,245.80x = 43,359,806,081,737,856 - Step 5: Solve for x
x = 43,359,806,081,737,856/215,664,245.80 - Step 6: Final answer
x = 201,052,362.30
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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.