Finding the Fourth Proportional to 187,869,641.44, 259,262,207.04 and 104,239,286.32
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Solution
The fourth proportional to 187,869,641.44, 259,262,207.04 and 104,239,286.32 is: 143,851,381.33
Step by Step Solution
- Step 1: Write the proportion equation
187,869,641.44 : 259,262,207.04 = 104,239,286.32 : x - Step 2: Convert to fraction form
187,869,641.44/259,262,207.04 = 104,239,286.32/x - Step 3: Cross multiply
187,869,641.44x = 259,262,207.04 × 104,239,286.32 - Step 4: Simplify right side
187,869,641.44x = 27,025,307,431,597,676 - Step 5: Solve for x
x = 27,025,307,431,597,676/187,869,641.44 - Step 6: Final answer
x = 143,851,381.33
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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.