Finding the Fourth Proportional to 94,163,968.80, 141,245,953.20 and 48,739,687.20
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Solution
The fourth proportional to 94,163,968.80, 141,245,953.20 and 48,739,687.20 is: 73,109,530.80
Step by Step Solution
- Step 1: Write the proportion equation
94,163,968.80 : 141,245,953.20 = 48,739,687.20 : x - Step 2: Convert to fraction form
94,163,968.80/141,245,953.20 = 48,739,687.20/x - Step 3: Cross multiply
94,163,968.80x = 141,245,953.20 × 48,739,687.20 - Step 4: Simplify right side
94,163,968.80x = 6,884,283,577,233,839 - Step 5: Solve for x
x = 6,884,283,577,233,839/94,163,968.80 - Step 6: Final answer
x = 73,109,530.80
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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.