Finding the Fourth Proportional to 253,190,028.68, 349,416,883.05 and 141,679,895.98
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Solution
The fourth proportional to 253,190,028.68, 349,416,883.05 and 141,679,895.98 is: 195,526,450.64
Step by Step Solution
- Step 1: Write the proportion equation
253,190,028.68 : 349,416,883.05 = 141,679,895.98 : x - Step 2: Convert to fraction form
253,190,028.68/349,416,883.05 = 141,679,895.98/x - Step 3: Cross multiply
253,190,028.68x = 349,416,883.05 × 141,679,895.98 - Step 4: Simplify right side
253,190,028.68x = 49,505,347,644,179,824 - Step 5: Solve for x
x = 49,505,347,644,179,824/253,190,028.68 - Step 6: Final answer
x = 195,526,450.64
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.