Finding the Fourth Proportional to 235,638,426.58, 353,215,116.45 and 104,542,440.75
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Solution
The fourth proportional to 235,638,426.58, 353,215,116.45 and 104,542,440.75 is: 156,706,064.12
Step by Step Solution
- Step 1: Write the proportion equation
235,638,426.58 : 353,215,116.45 = 104,542,440.75 : x - Step 2: Convert to fraction form
235,638,426.58/353,215,116.45 = 104,542,440.75/x - Step 3: Cross multiply
235,638,426.58x = 353,215,116.45 × 104,542,440.75 - Step 4: Simplify right side
235,638,426.58x = 36,925,970,383,478,472 - Step 5: Solve for x
x = 36,925,970,383,478,472/235,638,426.58 - Step 6: Final answer
x = 156,706,064.12
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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.