Finding the Fourth Proportional to 255,469,536.62, 352,548,102.45 and 137,994,867.84
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Solution
The fourth proportional to 255,469,536.62, 352,548,102.45 and 137,994,867.84 is: 190,432,994.28
Step by Step Solution
- Step 1: Write the proportion equation
255,469,536.62 : 352,548,102.45 = 137,994,867.84 : x - Step 2: Convert to fraction form
255,469,536.62/352,548,102.45 = 137,994,867.84/x - Step 3: Cross multiply
255,469,536.62x = 352,548,102.45 × 137,994,867.84 - Step 4: Simplify right side
255,469,536.62x = 48,649,828,805,701,344 - Step 5: Solve for x
x = 48,649,828,805,701,344/255,469,536.62 - Step 6: Final answer
x = 190,432,994.28
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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.