Finding the Fourth Proportional to 281,898,132.13, 388,932,239.33 and 164,340,251.17
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Solution
The fourth proportional to 281,898,132.13, 388,932,239.33 and 164,340,251.17 is: 226,738,720.88
Step by Step Solution
- Step 1: Write the proportion equation
281,898,132.13 : 388,932,239.33 = 164,340,251.17 : x - Step 2: Convert to fraction form
281,898,132.13/388,932,239.33 = 164,340,251.17/x - Step 3: Cross multiply
281,898,132.13x = 388,932,239.33 × 164,340,251.17 - Step 4: Simplify right side
281,898,132.13x = 63,917,221,898,781,048 - Step 5: Solve for x
x = 63,917,221,898,781,048/281,898,132.13 - Step 6: Final answer
x = 226,738,720.88
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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.