Finding the Fourth Proportional to 106,107,966.18, 159,161,935.77 and 29,430,993.96
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Solution
The fourth proportional to 106,107,966.18, 159,161,935.77 and 29,430,993.96 is: 44,146,487.20
Step by Step Solution
- Step 1: Write the proportion equation
106,107,966.18 : 159,161,935.77 = 29,430,993.96 : x - Step 2: Convert to fraction form
106,107,966.18/159,161,935.77 = 29,430,993.96/x - Step 3: Cross multiply
106,107,966.18x = 159,161,935.77 × 29,430,993.96 - Step 4: Simplify right side
106,107,966.18x = 4,684,293,970,308,778 - Step 5: Solve for x
x = 4,684,293,970,308,778/106,107,966.18 - Step 6: Final answer
x = 44,146,487.20
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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.