Finding the Fourth Proportional to 187,788,334.88, 281,684,465.76 and 51,473,732.96
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Solution
The fourth proportional to 187,788,334.88, 281,684,465.76 and 51,473,732.96 is: 77,211,137.63
Step by Step Solution
- Step 1: Write the proportion equation
187,788,334.88 : 281,684,465.76 = 51,473,732.96 : x - Step 2: Convert to fraction form
187,788,334.88/281,684,465.76 = 51,473,732.96/x - Step 3: Cross multiply
187,788,334.88x = 281,684,465.76 × 51,473,732.96 - Step 4: Simplify right side
187,788,334.88x = 14,499,350,969,510,504 - Step 5: Solve for x
x = 14,499,350,969,510,504/187,788,334.88 - Step 6: Final answer
x = 77,211,137.63
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.