Finding the Fourth Proportional to 165,397,454.37, 228,244,315.32 and 91,057,272.75
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Solution
The fourth proportional to 165,397,454.37, 228,244,315.32 and 91,057,272.75 is: 125,656,739.72
Step by Step Solution
- Step 1: Write the proportion equation
165,397,454.37 : 228,244,315.32 = 91,057,272.75 : x - Step 2: Convert to fraction form
165,397,454.37/228,244,315.32 = 91,057,272.75/x - Step 3: Cross multiply
165,397,454.37x = 228,244,315.32 × 91,057,272.75 - Step 4: Simplify right side
165,397,454.37x = 20,783,304,873,730,244 - Step 5: Solve for x
x = 20,783,304,873,730,244/165,397,454.37 - Step 6: Final answer
x = 125,656,739.72
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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.