Finding the Fourth Proportional to 247,948,272.05, 371,976,211.67 and 75,420,601.47
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Solution
The fourth proportional to 247,948,272.05, 371,976,211.67 and 75,420,601.47 is: 113,147,268.12
Step by Step Solution
- Step 1: Write the proportion equation
247,948,272.05 : 371,976,211.67 = 75,420,601.47 : x - Step 2: Convert to fraction form
247,948,272.05/371,976,211.67 = 75,420,601.47/x - Step 3: Cross multiply
247,948,272.05x = 371,976,211.67 × 75,420,601.47 - Step 4: Simplify right side
247,948,272.05x = 28,054,669,616,306,332 - Step 5: Solve for x
x = 28,054,669,616,306,332/247,948,272.05 - Step 6: Final answer
x = 113,147,268.12
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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.