Finding the Fourth Proportional to 272,635,687.04, 408,953,539.44 and 68,163,762.29
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Solution
The fourth proportional to 272,635,687.04, 408,953,539.44 and 68,163,762.29 is: 102,245,645.65
Step by Step Solution
- Step 1: Write the proportion equation
272,635,687.04 : 408,953,539.44 = 68,163,762.29 : x - Step 2: Convert to fraction form
272,635,687.04/408,953,539.44 = 68,163,762.29/x - Step 3: Cross multiply
272,635,687.04x = 408,953,539.44 × 68,163,762.29 - Step 4: Simplify right side
272,635,687.04x = 27,875,811,847,997,532 - Step 5: Solve for x
x = 27,875,811,847,997,532/272,635,687.04 - Step 6: Final answer
x = 102,245,645.65
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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.