Finding the Fourth Proportional to 66,371,231.44, 91,563,242.81 and 63,294,063.48
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Solution
The fourth proportional to 66,371,231.44, 91,563,242.81 and 63,294,063.48 is: 87,318,098.17
Step by Step Solution
- Step 1: Write the proportion equation
66,371,231.44 : 91,563,242.81 = 63,294,063.48 : x - Step 2: Convert to fraction form
66,371,231.44/91,563,242.81 = 63,294,063.48/x - Step 3: Cross multiply
66,371,231.44x = 91,563,242.81 × 63,294,063.48 - Step 4: Simplify right side
66,371,231.44x = 5,795,409,702,392,978 - Step 5: Solve for x
x = 5,795,409,702,392,978/66,371,231.44 - Step 6: Final answer
x = 87,318,098.17
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.