Finding the Fourth Proportional to 143,229,766.97, 214,416,425.05 and 87,722,828.12
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Solution
The fourth proportional to 143,229,766.97, 214,416,425.05 and 87,722,828.12 is: 131,321,970.28
Step by Step Solution
- Step 1: Write the proportion equation
143,229,766.97 : 214,416,425.05 = 87,722,828.12 : x - Step 2: Convert to fraction form
143,229,766.97/214,416,425.05 = 87,722,828.12/x - Step 3: Cross multiply
143,229,766.97x = 214,416,425.05 × 87,722,828.12 - Step 4: Simplify right side
143,229,766.97x = 18,809,215,200,766,016 - Step 5: Solve for x
x = 18,809,215,200,766,016/143,229,766.97 - Step 6: Final answer
x = 131,321,970.28
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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.