Finding the Fourth Proportional to 159,860,809.62, 220,613,265.09 and 97,969,195.62
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Solution
The fourth proportional to 159,860,809.62, 220,613,265.09 and 97,969,195.62 is: 135,200,767.31
Step by Step Solution
- Step 1: Write the proportion equation
159,860,809.62 : 220,613,265.09 = 97,969,195.62 : x - Step 2: Convert to fraction form
159,860,809.62/220,613,265.09 = 97,969,195.62/x - Step 3: Cross multiply
159,860,809.62x = 220,613,265.09 × 97,969,195.62 - Step 4: Simplify right side
159,860,809.62x = 21,613,304,123,969,128 - Step 5: Solve for x
x = 21,613,304,123,969,128/159,860,809.62 - Step 6: Final answer
x = 135,200,767.31
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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.