Finding the Fourth Proportional to 68,169,761.54, 94,074,376.18 and 38,801,093.79
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Solution
The fourth proportional to 68,169,761.54, 94,074,376.18 and 38,801,093.79 is: 53,545,569.34
Step by Step Solution
- Step 1: Write the proportion equation
68,169,761.54 : 94,074,376.18 = 38,801,093.79 : x - Step 2: Convert to fraction form
68,169,761.54/94,074,376.18 = 38,801,093.79/x - Step 3: Cross multiply
68,169,761.54x = 94,074,376.18 × 38,801,093.79 - Step 4: Simplify right side
68,169,761.54x = 3,650,188,693,298,919 - Step 5: Solve for x
x = 3,650,188,693,298,919/68,169,761.54 - Step 6: Final answer
x = 53,545,569.34
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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.