Finding the Fourth Proportional to 119,790,172.44, 165,310,437.87 and 64,786,028.94
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Solution
The fourth proportional to 119,790,172.44, 165,310,437.87 and 64,786,028.94 is: 89,404,719.88
Step by Step Solution
- Step 1: Write the proportion equation
119,790,172.44 : 165,310,437.87 = 64,786,028.94 : x - Step 2: Convert to fraction form
119,790,172.44/165,310,437.87 = 64,786,028.94/x - Step 3: Cross multiply
119,790,172.44x = 165,310,437.87 × 64,786,028.94 - Step 4: Simplify right side
119,790,172.44x = 10,709,806,811,929,892 - Step 5: Solve for x
x = 10,709,806,811,929,892/119,790,172.44 - Step 6: Final answer
x = 89,404,719.88
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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.