Finding the Fourth Proportional to 53,899,449.80, 80,849,174.70 and 15,562,214.60
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Solution
The fourth proportional to 53,899,449.80, 80,849,174.70 and 15,562,214.60 is: 23,343,321.90
Step by Step Solution
- Step 1: Write the proportion equation
53,899,449.80 : 80,849,174.70 = 15,562,214.60 : x - Step 2: Convert to fraction form
53,899,449.80/80,849,174.70 = 15,562,214.60/x - Step 3: Cross multiply
53,899,449.80x = 80,849,174.70 × 15,562,214.60 - Step 4: Simplify right side
53,899,449.80x = 1,258,192,206,914,290.75 - Step 5: Solve for x
x = 1,258,192,206,914,290.75/53,899,449.80 - Step 6: Final answer
x = 23,343,321.90
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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.