Finding the Fourth Proportional to 287,226,503.70, 430,839,755.55 and 79,964,513.70
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Solution
The fourth proportional to 287,226,503.70, 430,839,755.55 and 79,964,513.70 is: 119,946,770.55
Step by Step Solution
- Step 1: Write the proportion equation
287,226,503.70 : 430,839,755.55 = 79,964,513.70 : x - Step 2: Convert to fraction form
287,226,503.70/430,839,755.55 = 79,964,513.70/x - Step 3: Cross multiply
287,226,503.70x = 430,839,755.55 × 79,964,513.70 - Step 4: Simplify right side
287,226,503.70x = 34,451,891,535,182,628 - Step 5: Solve for x
x = 34,451,891,535,182,628/287,226,503.70 - Step 6: Final answer
x = 119,946,770.55
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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.