Finding the Fourth Proportional to 99,727,376.49, 149,649,357.10 and 72,033,985.98
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Solution
The fourth proportional to 99,727,376.49, 149,649,357.10 and 72,033,985.98 is: 108,093,084.07
Step by Step Solution
- Step 1: Write the proportion equation
99,727,376.49 : 149,649,357.10 = 72,033,985.98 : x - Step 2: Convert to fraction form
99,727,376.49/149,649,357.10 = 72,033,985.98/x - Step 3: Cross multiply
99,727,376.49x = 149,649,357.10 × 72,033,985.98 - Step 4: Simplify right side
99,727,376.49x = 10,779,839,691,451,452 - Step 5: Solve for x
x = 10,779,839,691,451,452/99,727,376.49 - Step 6: Final answer
x = 108,093,084.07
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.