Finding the Fourth Proportional to 214,944,007.80, 322,416,011.70 and 53,385,943.80
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Solution
The fourth proportional to 214,944,007.80, 322,416,011.70 and 53,385,943.80 is: 80,078,915.70
Step by Step Solution
- Step 1: Write the proportion equation
214,944,007.80 : 322,416,011.70 = 53,385,943.80 : x - Step 2: Convert to fraction form
214,944,007.80/322,416,011.70 = 53,385,943.80/x - Step 3: Cross multiply
214,944,007.80x = 322,416,011.70 × 53,385,943.80 - Step 4: Simplify right side
214,944,007.80x = 17,212,483,080,836,340 - Step 5: Solve for x
x = 17,212,483,080,836,340/214,944,007.80 - Step 6: Final answer
x = 80,078,915.70
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1.5x scale
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.