Finding the Fourth Proportional to 232,134,639.96, 320,345,792.55 and 127,710,471.09
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Solution
The fourth proportional to 232,134,639.96, 320,345,792.55 and 127,710,471.09 is: 176,240,444.28
Step by Step Solution
- Step 1: Write the proportion equation
232,134,639.96 : 320,345,792.55 = 127,710,471.09 : x - Step 2: Convert to fraction form
232,134,639.96/320,345,792.55 = 127,710,471.09/x - Step 3: Cross multiply
232,134,639.96x = 320,345,792.55 × 127,710,471.09 - Step 4: Simplify right side
232,134,639.96x = 40,911,512,078,259,912 - Step 5: Solve for x
x = 40,911,512,078,259,912/232,134,639.96 - Step 6: Final answer
x = 176,240,444.28
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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.