Finding the Fourth Proportional to 232,134,638.96, 320,345,791.17 and 127,710,470.09
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Solution
The fourth proportional to 232,134,638.96, 320,345,791.17 and 127,710,470.09 is: 176,240,442.90
Step by Step Solution
- Step 1: Write the proportion equation
232,134,638.96 : 320,345,791.17 = 127,710,470.09 : x - Step 2: Convert to fraction form
232,134,638.96/320,345,791.17 = 127,710,470.09/x - Step 3: Cross multiply
232,134,638.96x = 320,345,791.17 × 127,710,470.09 - Step 4: Simplify right side
232,134,638.96x = 40,911,511,581,673,672 - Step 5: Solve for x
x = 40,911,511,581,673,672/232,134,638.96 - Step 6: Final answer
x = 176,240,442.90
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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.