Finding the Fourth Proportional to 88,640,664.98, 121,437,144.63 and 85,325,915.21
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Solution
The fourth proportional to 88,640,664.98, 121,437,144.63 and 85,325,915.21 is: 116,895,958.63
Step by Step Solution
- Step 1: Write the proportion equation
88,640,664.98 : 121,437,144.63 = 85,325,915.21 : x - Step 2: Convert to fraction form
88,640,664.98/121,437,144.63 = 85,325,915.21/x - Step 3: Cross multiply
88,640,664.98x = 121,437,144.63 × 85,325,915.21 - Step 4: Simplify right side
88,640,664.98x = 10,361,735,505,436,700 - Step 5: Solve for x
x = 10,361,735,505,436,700/88,640,664.98 - Step 6: Final answer
x = 116,895,958.63
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These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.