Finding the Fourth Proportional to 45,731,138.92, 68,544,526.14 and 18,419,951.08
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Solution
The fourth proportional to 45,731,138.92, 68,544,526.14 and 18,419,951.08 is: 27,608,908.24
Step by Step Solution
- Step 1: Write the proportion equation
45,731,138.92 : 68,544,526.14 = 18,419,951.08 : x - Step 2: Convert to fraction form
45,731,138.92/68,544,526.14 = 18,419,951.08/x - Step 3: Cross multiply
45,731,138.92x = 68,544,526.14 × 18,419,951.08 - Step 4: Simplify right side
45,731,138.92x = 1,262,586,818,300,581 - Step 5: Solve for x
x = 1,262,586,818,300,581/45,731,138.92 - Step 6: Final answer
x = 27,608,908.24
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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.