Finding the Fourth Proportional to 263,642,861.68, 395,187,463.17 and 88,705,166.19
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Solution
The fourth proportional to 263,642,861.68, 395,187,463.17 and 88,705,166.19 is: 132,964,607.40
Step by Step Solution
- Step 1: Write the proportion equation
263,642,861.68 : 395,187,463.17 = 88,705,166.19 : x - Step 2: Convert to fraction form
263,642,861.68/395,187,463.17 = 88,705,166.19/x - Step 3: Cross multiply
263,642,861.68x = 395,187,463.17 × 88,705,166.19 - Step 4: Simplify right side
263,642,861.68x = 35,055,169,597,439,148 - Step 5: Solve for x
x = 35,055,169,597,439,148/263,642,861.68 - Step 6: Final answer
x = 132,964,607.40
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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.