Finding the Fourth Proportional to 211,575,615.56, 317,218,539.18 and 107,743,832.36
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Solution
The fourth proportional to 211,575,615.56, 317,218,539.18 and 107,743,832.36 is: 161,541,967.00
Step by Step Solution
- Step 1: Write the proportion equation
211,575,615.56 : 317,218,539.18 = 107,743,832.36 : x - Step 2: Convert to fraction form
211,575,615.56/317,218,539.18 = 107,743,832.36/x - Step 3: Cross multiply
211,575,615.56x = 317,218,539.18 × 107,743,832.36 - Step 4: Simplify right side
211,575,615.56x = 34,178,341,106,894,012 - Step 5: Solve for x
x = 34,178,341,106,894,012/211,575,615.56 - Step 6: Final answer
x = 161,541,967.00
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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.