Finding the Fourth Proportional to 198,385,664.90, 297,579,448.30 and 60,212,472.62
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Solution
The fourth proportional to 198,385,664.90, 297,579,448.30 and 60,212,472.62 is: 90,318,997.55
Step by Step Solution
- Step 1: Write the proportion equation
198,385,664.90 : 297,579,448.30 = 60,212,472.62 : x - Step 2: Convert to fraction form
198,385,664.90/297,579,448.30 = 60,212,472.62/x - Step 3: Cross multiply
198,385,664.90x = 297,579,448.30 × 60,212,472.62 - Step 4: Simplify right side
198,385,664.90x = 17,917,994,383,038,456 - Step 5: Solve for x
x = 17,917,994,383,038,456/198,385,664.90 - Step 6: Final answer
x = 90,318,997.55
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.