Finding the Fourth Proportional to 193,545,623.70, 290,318,435.55 and 173,838,129.30
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Solution
The fourth proportional to 193,545,623.70, 290,318,435.55 and 173,838,129.30 is: 260,757,193.95
Step by Step Solution
- Step 1: Write the proportion equation
193,545,623.70 : 290,318,435.55 = 173,838,129.30 : x - Step 2: Convert to fraction form
193,545,623.70/290,318,435.55 = 173,838,129.30/x - Step 3: Cross multiply
193,545,623.70x = 290,318,435.55 × 173,838,129.30 - Step 4: Simplify right side
193,545,623.70x = 50,468,413,737,314,624 - Step 5: Solve for x
x = 50,468,413,737,314,624/193,545,623.70 - Step 6: Final answer
x = 260,757,193.95
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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.