Finding the Fourth Proportional to 253,190,026.68, 349,416,880.29 and 141,679,893.98
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Solution
The fourth proportional to 253,190,026.68, 349,416,880.29 and 141,679,893.98 is: 195,526,447.87
Step by Step Solution
- Step 1: Write the proportion equation
253,190,026.68 : 349,416,880.29 = 141,679,893.98 : x - Step 2: Convert to fraction form
253,190,026.68/349,416,880.29 = 141,679,893.98/x - Step 3: Cross multiply
253,190,026.68x = 349,416,880.29 × 141,679,893.98 - Step 4: Simplify right side
253,190,026.68x = 49,505,346,552,562,472 - Step 5: Solve for x
x = 49,505,346,552,562,472/253,190,026.68 - Step 6: Final answer
x = 195,526,447.87
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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.