Finding the Fourth Proportional to 238,278,959.28, 328,730,407.97 and 137,788,827.97
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Solution
The fourth proportional to 238,278,959.28, 328,730,407.97 and 137,788,827.97 is: 190,093,904.09
Step by Step Solution
- Step 1: Write the proportion equation
238,278,959.28 : 328,730,407.97 = 137,788,827.97 : x - Step 2: Convert to fraction form
238,278,959.28/328,730,407.97 = 137,788,827.97/x - Step 3: Cross multiply
238,278,959.28x = 328,730,407.97 × 137,788,827.97 - Step 4: Simplify right side
238,278,959.28x = 45,295,377,632,286,248 - Step 5: Solve for x
x = 45,295,377,632,286,248/238,278,959.28 - Step 6: Final answer
x = 190,093,904.09
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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.