Finding the Fourth Proportional to 309,569,524.52, 427,193,135.58 and 168,441,325.82
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Solution
The fourth proportional to 309,569,524.52, 427,193,135.58 and 168,441,325.82 is: 232,442,060.47
Step by Step Solution
- Step 1: Write the proportion equation
309,569,524.52 : 427,193,135.58 = 168,441,325.82 : x - Step 2: Convert to fraction form
309,569,524.52/427,193,135.58 = 168,441,325.82/x - Step 3: Cross multiply
309,569,524.52x = 427,193,135.58 × 168,441,325.82 - Step 4: Simplify right side
309,569,524.52x = 71,956,978,138,298,208 - Step 5: Solve for x
x = 71,956,978,138,298,208/309,569,524.52 - Step 6: Final answer
x = 232,442,060.47
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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.