Finding the Fourth Proportional to 248,926,213.70, 343,509,167.02 and 137,414,659.46
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Solution
The fourth proportional to 248,926,213.70, 343,509,167.02 and 137,414,659.46 is: 189,627,257.43
Step by Step Solution
- Step 1: Write the proportion equation
248,926,213.70 : 343,509,167.02 = 137,414,659.46 : x - Step 2: Convert to fraction form
248,926,213.70/343,509,167.02 = 137,414,659.46/x - Step 3: Cross multiply
248,926,213.70x = 343,509,167.02 × 137,414,659.46 - Step 4: Simplify right side
248,926,213.70x = 47,203,195,207,441,560 - Step 5: Solve for x
x = 47,203,195,207,441,560/248,926,213.70 - Step 6: Final answer
x = 189,627,257.43
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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.