Finding the Fourth Proportional to 161,701,330.20, 242,551,995.30 and 46,689,624.60
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Solution
The fourth proportional to 161,701,330.20, 242,551,995.30 and 46,689,624.60 is: 70,034,436.90
Step by Step Solution
- Step 1: Write the proportion equation
161,701,330.20 : 242,551,995.30 = 46,689,624.60 : x - Step 2: Convert to fraction form
161,701,330.20/242,551,995.30 = 46,689,624.60/x - Step 3: Cross multiply
161,701,330.20x = 242,551,995.30 × 46,689,624.60 - Step 4: Simplify right side
161,701,330.20x = 11,324,661,606,537,966 - Step 5: Solve for x
x = 11,324,661,606,537,966/161,701,330.20 - Step 6: Final answer
x = 70,034,436.90
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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.