Finding the Fourth Proportional to 143,229,767.47, 214,416,425.80 and 87,722,828.62
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Solution
The fourth proportional to 143,229,767.47, 214,416,425.80 and 87,722,828.62 is: 131,321,971.03
Step by Step Solution
- Step 1: Write the proportion equation
143,229,767.47 : 214,416,425.80 = 87,722,828.62 : x - Step 2: Convert to fraction form
143,229,767.47/214,416,425.80 = 87,722,828.62/x - Step 3: Cross multiply
143,229,767.47x = 214,416,425.80 × 87,722,828.62 - Step 4: Simplify right side
143,229,767.47x = 18,809,215,373,766,348 - Step 5: Solve for x
x = 18,809,215,373,766,348/143,229,767.47 - Step 6: Final answer
x = 131,321,971.03
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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.