Finding the Fourth Proportional to 276,312,791.98, 381,345,093.48 and 157,264,330.96
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Solution
The fourth proportional to 276,312,791.98, 381,345,093.48 and 157,264,330.96 is: 217,043,809.52
Step by Step Solution
- Step 1: Write the proportion equation
276,312,791.98 : 381,345,093.48 = 157,264,330.96 : x - Step 2: Convert to fraction form
276,312,791.98/381,345,093.48 = 157,264,330.96/x - Step 3: Cross multiply
276,312,791.98x = 381,345,093.48 × 157,264,330.96 - Step 4: Simplify right side
276,312,791.98x = 59,971,980,991,010,864 - Step 5: Solve for x
x = 59,971,980,991,010,864/276,312,791.98 - Step 6: Final answer
x = 217,043,809.52
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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.