Finding the Fourth Proportional to 106,689,520.97, 160,057,125.18 and 31,912,625.90
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Solution
The fourth proportional to 106,689,520.97, 160,057,125.18 and 31,912,625.90 is: 47,875,771.79
Step by Step Solution
- Step 1: Write the proportion equation
106,689,520.97 : 160,057,125.18 = 31,912,625.90 : x - Step 2: Convert to fraction form
106,689,520.97/160,057,125.18 = 31,912,625.90/x - Step 3: Cross multiply
106,689,520.97x = 160,057,125.18 × 31,912,625.90 - Step 4: Simplify right side
106,689,520.97x = 5,107,843,157,698,525 - Step 5: Solve for x
x = 5,107,843,157,698,525/106,689,520.97 - Step 6: Final answer
x = 47,875,771.79
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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.