Finding the Fourth Proportional to 198,192,241.18, 297,220,943.85 and 75,340,927.90
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Solution
The fourth proportional to 198,192,241.18, 297,220,943.85 and 75,340,927.90 is: 112,985,763.56
Step by Step Solution
- Step 1: Write the proportion equation
198,192,241.18 : 297,220,943.85 = 75,340,927.90 : x - Step 2: Convert to fraction form
198,192,241.18/297,220,943.85 = 75,340,927.90/x - Step 3: Cross multiply
198,192,241.18x = 297,220,943.85 × 75,340,927.90 - Step 4: Simplify right side
198,192,241.18x = 22,392,901,700,972,800 - Step 5: Solve for x
x = 22,392,901,700,972,800/198,192,241.18 - Step 6: Final answer
x = 112,985,763.56
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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.