Finding the Fourth Proportional to 232,281,837.94, 320,557,394.67 and 126,430,140.76
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Solution
The fourth proportional to 232,281,837.94, 320,557,394.67 and 126,430,140.76 is: 174,478,198.08
Step by Step Solution
- Step 1: Write the proportion equation
232,281,837.94 : 320,557,394.67 = 126,430,140.76 : x - Step 2: Convert to fraction form
232,281,837.94/320,557,394.67 = 126,430,140.76/x - Step 3: Cross multiply
232,281,837.94x = 320,557,394.67 × 126,430,140.76 - Step 4: Simplify right side
232,281,837.94x = 40,528,116,529,786,976 - Step 5: Solve for x
x = 40,528,116,529,786,976/232,281,837.94 - Step 6: Final answer
x = 174,478,198.08
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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.