Finding the Fourth Proportional to 195,977,769.20, 270,447,175.32 and 107,869,883.12
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Solution
The fourth proportional to 195,977,769.20, 270,447,175.32 and 107,869,883.12 is: 148,859,257.41
Step by Step Solution
- Step 1: Write the proportion equation
195,977,769.20 : 270,447,175.32 = 107,869,883.12 : x - Step 2: Convert to fraction form
195,977,769.20/270,447,175.32 = 107,869,883.12/x - Step 3: Cross multiply
195,977,769.20x = 270,447,175.32 × 107,869,883.12 - Step 4: Simplify right side
195,977,769.20x = 29,173,105,191,902,548 - Step 5: Solve for x
x = 29,173,105,191,902,548/195,977,769.20 - Step 6: Final answer
x = 148,859,257.41
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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.