Finding the Fourth Proportional to 129,324,866.52, 194,072,977.56 and 71,073,224.84
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Solution
The fourth proportional to 129,324,866.52, 194,072,977.56 and 71,073,224.84 is: 106,656,923.30
Step by Step Solution
- Step 1: Write the proportion equation
129,324,866.52 : 194,072,977.56 = 71,073,224.84 : x - Step 2: Convert to fraction form
129,324,866.52/194,072,977.56 = 71,073,224.84/x - Step 3: Cross multiply
129,324,866.52x = 194,072,977.56 × 71,073,224.84 - Step 4: Simplify right side
129,324,866.52x = 13,793,392,369,490,156 - Step 5: Solve for x
x = 13,793,392,369,490,156/129,324,866.52 - Step 6: Final answer
x = 106,656,923.30
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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.