Finding the Fourth Proportional to 347,460,137.49, 521,189,787.98 and 88,675,385.42
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Solution
The fourth proportional to 347,460,137.49, 521,189,787.98 and 88,675,385.42 is: 133,012,971.38
Step by Step Solution
- Step 1: Write the proportion equation
347,460,137.49 : 521,189,787.98 = 88,675,385.42 : x - Step 2: Convert to fraction form
347,460,137.49/521,189,787.98 = 88,675,385.42/x - Step 3: Cross multiply
347,460,137.49x = 521,189,787.98 × 88,675,385.42 - Step 4: Simplify right side
347,460,137.49x = 46,216,705,323,045,264 - Step 5: Solve for x
x = 46,216,705,323,045,264/347,460,137.49 - Step 6: Final answer
x = 133,012,971.38
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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.