Finding the Fourth Proportional to 238,634,820.88, 329,278,109.38 and 134,192,722.26
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Solution
The fourth proportional to 238,634,820.88, 329,278,109.38 and 134,192,722.26 is: 185,164,619.80
Step by Step Solution
- Step 1: Write the proportion equation
238,634,820.88 : 329,278,109.38 = 134,192,722.26 : x - Step 2: Convert to fraction form
238,634,820.88/329,278,109.38 = 134,192,722.26/x - Step 3: Cross multiply
238,634,820.88x = 329,278,109.38 × 134,192,722.26 - Step 4: Simplify right side
238,634,820.88x = 44,186,725,878,328,240 - Step 5: Solve for x
x = 44,186,725,878,328,240/238,634,820.88 - Step 6: Final answer
x = 185,164,619.80
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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.