Finding the Fourth Proportional to 218,149,584.08, 327,200,203.80 and 78,084,447.44
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Solution
The fourth proportional to 218,149,584.08, 327,200,203.80 and 78,084,447.44 is: 117,118,018.92
Step by Step Solution
- Step 1: Write the proportion equation
218,149,584.08 : 327,200,203.80 = 78,084,447.44 : x - Step 2: Convert to fraction form
218,149,584.08/327,200,203.80 = 78,084,447.44/x - Step 3: Cross multiply
218,149,584.08x = 327,200,203.80 × 78,084,447.44 - Step 4: Simplify right side
218,149,584.08x = 25,549,247,115,978,388 - Step 5: Solve for x
x = 25,549,247,115,978,388/218,149,584.08 - Step 6: Final answer
x = 117,118,018.92
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.