Finding the Fourth Proportional to 68,359,715.80, 102,586,812.90 and 49,206,844.60
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Solution
The fourth proportional to 68,359,715.80, 102,586,812.90 and 49,206,844.60 is: 73,844,270.73
Step by Step Solution
- Step 1: Write the proportion equation
68,359,715.80 : 102,586,812.90 = 49,206,844.60 : x - Step 2: Convert to fraction form
68,359,715.80/102,586,812.90 = 49,206,844.60/x - Step 3: Cross multiply
68,359,715.80x = 102,586,812.90 × 49,206,844.60 - Step 4: Simplify right side
68,359,715.80x = 5,047,973,360,379,576 - Step 5: Solve for x
x = 5,047,973,360,379,576/68,359,715.80 - Step 6: Final answer
x = 73,844,270.73
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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.