Finding the Fourth Proportional to 258,114,414.94, 356,193,407.84 and 140,640,710.49
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Solution
The fourth proportional to 258,114,414.94, 356,193,407.84 and 140,640,710.49 is: 194,081,736.82
Step by Step Solution
- Step 1: Write the proportion equation
258,114,414.94 : 356,193,407.84 = 140,640,710.49 : x - Step 2: Convert to fraction form
258,114,414.94/356,193,407.84 = 140,640,710.49/x - Step 3: Cross multiply
258,114,414.94x = 356,193,407.84 × 140,640,710.49 - Step 4: Simplify right side
258,114,414.94x = 50,095,293,949,229,848 - Step 5: Solve for x
x = 50,095,293,949,229,848/258,114,414.94 - Step 6: Final answer
x = 194,081,736.82
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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.