Finding the Fourth Proportional to 187,637,096.18, 258,938,744.40 and 102,864,063.62
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Solution
The fourth proportional to 187,637,096.18, 258,938,744.40 and 102,864,063.62 is: 141,952,162.02
Step by Step Solution
- Step 1: Write the proportion equation
187,637,096.18 : 258,938,744.40 = 102,864,063.62 : x - Step 2: Convert to fraction form
187,637,096.18/258,938,744.40 = 102,864,063.62/x - Step 3: Cross multiply
187,637,096.18x = 258,938,744.40 × 102,864,063.62 - Step 4: Simplify right side
187,637,096.18x = 26,635,491,477,644,520 - Step 5: Solve for x
x = 26,635,491,477,644,520/187,637,096.18 - Step 6: Final answer
x = 141,952,162.02
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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.