Finding the Fourth Proportional to 264,860,415.80, 397,290,623.70 and 73,384,191.80
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Solution
The fourth proportional to 264,860,415.80, 397,290,623.70 and 73,384,191.80 is: 110,076,287.70
Step by Step Solution
- Step 1: Write the proportion equation
264,860,415.80 : 397,290,623.70 = 73,384,191.80 : x - Step 2: Convert to fraction form
264,860,415.80/397,290,623.70 = 73,384,191.80/x - Step 3: Cross multiply
264,860,415.80x = 397,290,623.70 × 73,384,191.80 - Step 4: Simplify right side
264,860,415.80x = 29,154,851,329,942,424 - Step 5: Solve for x
x = 29,154,851,329,942,424/264,860,415.80 - Step 6: Final answer
x = 110,076,287.70
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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.