Finding the Fourth Proportional to 47,478,902.80, 71,218,354.20 and 44,293,853.20
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Solution
The fourth proportional to 47,478,902.80, 71,218,354.20 and 44,293,853.20 is: 66,440,779.80
Step by Step Solution
- Step 1: Write the proportion equation
47,478,902.80 : 71,218,354.20 = 44,293,853.20 : x - Step 2: Convert to fraction form
47,478,902.80/71,218,354.20 = 44,293,853.20/x - Step 3: Cross multiply
47,478,902.80x = 71,218,354.20 × 44,293,853.20 - Step 4: Simplify right side
47,478,902.80x = 3,154,535,326,080,404 - Step 5: Solve for x
x = 3,154,535,326,080,404/47,478,902.80 - Step 6: Final answer
x = 66,440,779.80
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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.