Finding the Fourth Proportional to 129,609,497.51, 194,381,887.30 and 50,842,014.80
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Solution
The fourth proportional to 129,609,497.51, 194,381,887.30 and 50,842,014.80 is: 76,250,328.72
Step by Step Solution
- Step 1: Write the proportion equation
129,609,497.51 : 194,381,887.30 = 50,842,014.80 : x - Step 2: Convert to fraction form
129,609,497.51/194,381,887.30 = 50,842,014.80/x - Step 3: Cross multiply
129,609,497.51x = 194,381,887.30 × 50,842,014.80 - Step 4: Simplify right side
129,609,497.51x = 9,882,766,790,958,532 - Step 5: Solve for x
x = 9,882,766,790,958,532/129,609,497.51 - Step 6: Final answer
x = 76,250,328.72
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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.