Finding the Fourth Proportional to 121,325,891.70, 181,988,837.55 and 39,444,611.70
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Solution
The fourth proportional to 121,325,891.70, 181,988,837.55 and 39,444,611.70 is: 59,166,917.55
Step by Step Solution
- Step 1: Write the proportion equation
121,325,891.70 : 181,988,837.55 = 39,444,611.70 : x - Step 2: Convert to fraction form
121,325,891.70/181,988,837.55 = 39,444,611.70/x - Step 3: Cross multiply
121,325,891.70x = 181,988,837.55 × 39,444,611.70 - Step 4: Simplify right side
121,325,891.70x = 7,178,479,030,894,130 - Step 5: Solve for x
x = 7,178,479,030,894,130/121,325,891.70 - Step 6: Final answer
x = 59,166,917.55
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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.