Finding the Fourth Proportional to 104,969,893.98, 157,436,895.42 and 28,274,986.08
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Solution
The fourth proportional to 104,969,893.98, 157,436,895.42 and 28,274,986.08 is: 42,407,645.26
Step by Step Solution
- Step 1: Write the proportion equation
104,969,893.98 : 157,436,895.42 = 28,274,986.08 : x - Step 2: Convert to fraction form
104,969,893.98/157,436,895.42 = 28,274,986.08/x - Step 3: Cross multiply
104,969,893.98x = 157,436,895.42 × 28,274,986.08 - Step 4: Simplify right side
104,969,893.98x = 4,451,526,026,478,915 - Step 5: Solve for x
x = 4,451,526,026,478,915/104,969,893.98 - Step 6: Final answer
x = 42,407,645.26
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.