Finding the Fourth Proportional to 201,991,949.08, 303,000,678.42 and 85,385,560.84
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Solution
The fourth proportional to 201,991,949.08, 303,000,678.42 and 85,385,560.84 is: 128,083,732.94
Step by Step Solution
- Step 1: Write the proportion equation
201,991,949.08 : 303,000,678.42 = 85,385,560.84 : x - Step 2: Convert to fraction form
201,991,949.08/303,000,678.42 = 85,385,560.84/x - Step 3: Cross multiply
201,991,949.08x = 303,000,678.42 × 85,385,560.84 - Step 4: Simplify right side
201,991,949.08x = 25,871,882,861,792,188 - Step 5: Solve for x
x = 25,871,882,861,792,188/201,991,949.08 - Step 6: Final answer
x = 128,083,732.94
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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.