Finding the Fourth Proportional to 211,364,632.80, 317,046,949.20 and 96,573,376.80
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Solution
The fourth proportional to 211,364,632.80, 317,046,949.20 and 96,573,376.80 is: 144,860,065.20
Step by Step Solution
- Step 1: Write the proportion equation
211,364,632.80 : 317,046,949.20 = 96,573,376.80 : x - Step 2: Convert to fraction form
211,364,632.80/317,046,949.20 = 96,573,376.80/x - Step 3: Cross multiply
211,364,632.80x = 317,046,949.20 × 96,573,376.80 - Step 4: Simplify right side
211,364,632.80x = 30,618,294,488,382,056 - Step 5: Solve for x
x = 30,618,294,488,382,056/211,364,632.80 - Step 6: Final answer
x = 144,860,065.20
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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.