Finding the Fourth Proportional to 281,326,659.88, 422,376,523.98 and 143,245,034.68
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Solution
The fourth proportional to 281,326,659.88, 422,376,523.98 and 143,245,034.68 is: 215,064,366.28
Step by Step Solution
- Step 1: Write the proportion equation
281,326,659.88 : 422,376,523.98 = 143,245,034.68 : x - Step 2: Convert to fraction form
281,326,659.88/422,376,523.98 = 143,245,034.68/x - Step 3: Cross multiply
281,326,659.88x = 422,376,523.98 × 143,245,034.68 - Step 4: Simplify right side
281,326,659.88x = 60,503,339,825,532,960 - Step 5: Solve for x
x = 60,503,339,825,532,960/281,326,659.88 - Step 6: Final answer
x = 215,064,366.28
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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.