Finding the Fourth Proportional to 79,681,154.60, 119,556,496.99 and 27,902,920.16
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Solution
The fourth proportional to 79,681,154.60, 119,556,496.99 and 27,902,920.16 is: 41,866,554.35
Step by Step Solution
- Step 1: Write the proportion equation
79,681,154.60 : 119,556,496.99 = 27,902,920.16 : x - Step 2: Convert to fraction form
79,681,154.60/119,556,496.99 = 27,902,920.16/x - Step 3: Cross multiply
79,681,154.60x = 119,556,496.99 × 27,902,920.16 - Step 4: Simplify right side
79,681,154.60x = 3,335,975,390,121,250 - Step 5: Solve for x
x = 3,335,975,390,121,250/79,681,154.60 - Step 6: Final answer
x = 41,866,554.35
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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.