Finding the Fourth Proportional to 218,040,310.98, 300,942,195.21 and 125,271,970.02
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Solution
The fourth proportional to 218,040,310.98, 300,942,195.21 and 125,271,970.02 is: 172,902,072.50
Step by Step Solution
- Step 1: Write the proportion equation
218,040,310.98 : 300,942,195.21 = 125,271,970.02 : x - Step 2: Convert to fraction form
218,040,310.98/300,942,195.21 = 125,271,970.02/x - Step 3: Cross multiply
218,040,310.98x = 300,942,195.21 × 125,271,970.02 - Step 4: Simplify right side
218,040,310.98x = 37,699,621,656,100,104 - Step 5: Solve for x
x = 37,699,621,656,100,104/218,040,310.98 - Step 6: Final answer
x = 172,902,072.50
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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.