Finding the Fourth Proportional to 215,193,341.39, 322,453,709.57 and 149,742,357.53
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Solution
The fourth proportional to 215,193,341.39, 322,453,709.57 and 149,742,357.53 is: 224,379,520.08
Step by Step Solution
- Step 1: Write the proportion equation
215,193,341.39 : 322,453,709.57 = 149,742,357.53 : x - Step 2: Convert to fraction form
215,193,341.39/322,453,709.57 = 149,742,357.53/x - Step 3: Cross multiply
215,193,341.39x = 322,453,709.57 × 149,742,357.53 - Step 4: Simplify right side
215,193,341.39x = 48,284,978,665,457,728 - Step 5: Solve for x
x = 48,284,978,665,457,728/215,193,341.39 - Step 6: Final answer
x = 224,379,520.08
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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.