Finding the Fourth Proportional to 85,474,249.79, 117,941,420.57 and 48,290,963.00
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Solution
The fourth proportional to 85,474,249.79, 117,941,420.57 and 48,290,963.00 is: 66,634,159.30
Step by Step Solution
- Step 1: Write the proportion equation
85,474,249.79 : 117,941,420.57 = 48,290,963.00 : x - Step 2: Convert to fraction form
85,474,249.79/117,941,420.57 = 48,290,963.00/x - Step 3: Cross multiply
85,474,249.79x = 117,941,420.57 × 48,290,963.00 - Step 4: Simplify right side
85,474,249.79x = 5,695,504,776,082,147 - Step 5: Solve for x
x = 5,695,504,776,082,147/85,474,249.79 - Step 6: Final answer
x = 66,634,159.30
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.