Finding the Fourth Proportional to 229,128,912.25, 316,197,881.37 and 124,707,732.28
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Solution
The fourth proportional to 229,128,912.25, 316,197,881.37 and 124,707,732.28 is: 172,096,661.00
Step by Step Solution
- Step 1: Write the proportion equation
229,128,912.25 : 316,197,881.37 = 124,707,732.28 : x - Step 2: Convert to fraction form
229,128,912.25/316,197,881.37 = 124,707,732.28/x - Step 3: Cross multiply
229,128,912.25x = 316,197,881.37 × 124,707,732.28 - Step 4: Simplify right side
229,128,912.25x = 39,432,320,737,393,160 - Step 5: Solve for x
x = 39,432,320,737,393,160/229,128,912.25 - Step 6: Final answer
x = 172,096,661.00
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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.