Finding the Fourth Proportional to 209,610,989.44, 289,264,287.09 and 120,295,811.45
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Solution
The fourth proportional to 209,610,989.44, 289,264,287.09 and 120,295,811.45 is: 166,008,863.52
Step by Step Solution
- Step 1: Write the proportion equation
209,610,989.44 : 289,264,287.09 = 120,295,811.45 : x - Step 2: Convert to fraction form
209,610,989.44/289,264,287.09 = 120,295,811.45/x - Step 3: Cross multiply
209,610,989.44x = 289,264,287.09 × 120,295,811.45 - Step 4: Simplify right side
209,610,989.44x = 34,797,282,138,681,480 - Step 5: Solve for x
x = 34,797,282,138,681,480/209,610,989.44 - Step 6: Final answer
x = 166,008,863.52
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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.