Finding the Fourth Proportional to 106,435,232.80, 159,652,849.20 and 94,956,107.20
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Solution
The fourth proportional to 106,435,232.80, 159,652,849.20 and 94,956,107.20 is: 142,434,160.80
Step by Step Solution
- Step 1: Write the proportion equation
106,435,232.80 : 159,652,849.20 = 94,956,107.20 : x - Step 2: Convert to fraction form
106,435,232.80/159,652,849.20 = 94,956,107.20/x - Step 3: Cross multiply
106,435,232.80x = 159,652,849.20 × 94,956,107.20 - Step 4: Simplify right side
106,435,232.80x = 15,160,013,063,420,634 - Step 5: Solve for x
x = 15,160,013,063,420,634/106,435,232.80 - Step 6: Final answer
x = 142,434,160.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.