Finding the Fourth Proportional to 134,278,548.12, 185,293,796.94 and 75,529,517.04
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Solution
The fourth proportional to 134,278,548.12, 185,293,796.94 and 75,529,517.04 is: 104,224,771.49
Step by Step Solution
- Step 1: Write the proportion equation
134,278,548.12 : 185,293,796.94 = 75,529,517.04 : x - Step 2: Convert to fraction form
134,278,548.12/185,293,796.94 = 75,529,517.04/x - Step 3: Cross multiply
134,278,548.12x = 185,293,796.94 × 75,529,517.04 - Step 4: Simplify right side
134,278,548.12x = 13,995,150,993,386,030 - Step 5: Solve for x
x = 13,995,150,993,386,030/134,278,548.12 - Step 6: Final answer
x = 104,224,771.49
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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.