Finding the Fourth Proportional to 306,392,272.30, 422,820,759.99 and 167,163,128.38
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Solution
The fourth proportional to 306,392,272.30, 422,820,759.99 and 167,163,128.38 is: 230,684,803.03
Step by Step Solution
- Step 1: Write the proportion equation
306,392,272.30 : 422,820,759.99 = 167,163,128.38 : x - Step 2: Convert to fraction form
306,392,272.30/422,820,759.99 = 167,163,128.38/x - Step 3: Cross multiply
306,392,272.30x = 422,820,759.99 × 167,163,128.38 - Step 4: Simplify right side
306,392,272.30x = 70,680,040,983,937,536 - Step 5: Solve for x
x = 70,680,040,983,937,536/306,392,272.30 - Step 6: Final answer
x = 230,684,803.03
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.