Finding the Fourth Proportional to 273,276,791.80, 409,585,848.74 and 125,520,458.14
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Solution
The fourth proportional to 273,276,791.80, 409,585,848.74 and 125,520,458.14 is: 188,129,416.49
Step by Step Solution
- Step 1: Write the proportion equation
273,276,791.80 : 409,585,848.74 = 125,520,458.14 : x - Step 2: Convert to fraction form
273,276,791.80/409,585,848.74 = 125,520,458.14/x - Step 3: Cross multiply
273,276,791.80x = 409,585,848.74 × 125,520,458.14 - Step 4: Simplify right side
273,276,791.80x = 51,411,403,381,505,544 - Step 5: Solve for x
x = 51,411,403,381,505,544/273,276,791.80 - Step 6: Final answer
x = 188,129,416.49
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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.