Finding the Fourth Proportional to 248,926,210.97, 343,509,163.22 and 137,414,656.71
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Solution
The fourth proportional to 248,926,210.97, 343,509,163.22 and 137,414,656.71 is: 189,627,253.63
Step by Step Solution
- Step 1: Write the proportion equation
248,926,210.97 : 343,509,163.22 = 137,414,656.71 : x - Step 2: Convert to fraction form
248,926,210.97/343,509,163.22 = 137,414,656.71/x - Step 3: Cross multiply
248,926,210.97x = 343,509,163.22 × 137,414,656.71 - Step 4: Simplify right side
248,926,210.97x = 47,203,193,740,959,200 - Step 5: Solve for x
x = 47,203,193,740,959,200/248,926,210.97 - Step 6: Final answer
x = 189,627,253.63
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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.