Finding the Fourth Proportional to 252,364,155.80, 378,546,233.70 and 108,756,987.80
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Solution
The fourth proportional to 252,364,155.80, 378,546,233.70 and 108,756,987.80 is: 163,135,481.70
Step by Step Solution
- Step 1: Write the proportion equation
252,364,155.80 : 378,546,233.70 = 108,756,987.80 : x - Step 2: Convert to fraction form
252,364,155.80/378,546,233.70 = 108,756,987.80/x - Step 3: Cross multiply
252,364,155.80x = 378,546,233.70 × 108,756,987.80 - Step 4: Simplify right side
252,364,155.80x = 41,169,548,120,246,848 - Step 5: Solve for x
x = 41,169,548,120,246,848/252,364,155.80 - Step 6: Final answer
x = 163,135,481.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.