Finding the Fourth Proportional to 211,575,515.52, 317,218,389.36 and 107,743,732.08
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Solution
The fourth proportional to 211,575,515.52, 317,218,389.36 and 107,743,732.08 is: 161,541,816.74
Step by Step Solution
- Step 1: Write the proportion equation
211,575,515.52 : 317,218,389.36 = 107,743,732.08 : x - Step 2: Convert to fraction form
211,575,515.52/317,218,389.36 = 107,743,732.08/x - Step 3: Cross multiply
211,575,515.52x = 317,218,389.36 × 107,743,732.08 - Step 4: Simplify right side
211,575,515.52x = 34,178,293,154,052,964 - Step 5: Solve for x
x = 34,178,293,154,052,964/211,575,515.52 - Step 6: Final answer
x = 161,541,816.74
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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.