Finding the Fourth Proportional to 66,142,450.26, 99,207,260.58 and 20,084,718.12
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Solution
The fourth proportional to 66,142,450.26, 99,207,260.58 and 20,084,718.12 is: 30,125,129.27
Step by Step Solution
- Step 1: Write the proportion equation
66,142,450.26 : 99,207,260.58 = 20,084,718.12 : x - Step 2: Convert to fraction form
66,142,450.26/99,207,260.58 = 20,084,718.12/x - Step 3: Cross multiply
66,142,450.26x = 99,207,260.58 × 20,084,718.12 - Step 4: Simplify right side
66,142,450.26x = 1,992,549,864,206,687.75 - Step 5: Solve for x
x = 1,992,549,864,206,687.75/66,142,450.26 - Step 6: Final answer
x = 30,125,129.27
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.