Finding the Fourth Proportional to 66,284,125.26, 99,420,053.24 and 31,261,209.06
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Solution
The fourth proportional to 66,284,125.26, 99,420,053.24 and 31,261,209.06 is: 46,888,920.33
Step by Step Solution
- Step 1: Write the proportion equation
66,284,125.26 : 99,420,053.24 = 31,261,209.06 : x - Step 2: Convert to fraction form
66,284,125.26/99,420,053.24 = 31,261,209.06/x - Step 3: Cross multiply
66,284,125.26x = 99,420,053.24 × 31,261,209.06 - Step 4: Simplify right side
66,284,125.26x = 3,107,991,068,594,870 - Step 5: Solve for x
x = 3,107,991,068,594,870/66,284,125.26 - Step 6: Final answer
x = 46,888,920.33
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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.