Finding the Fourth Proportional to 212,299,242.44, 293,063,350.74 and 142,724,975
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Solution
The fourth proportional to 212,299,242.44, 293,063,350.74 and 142,724,975 is: 197,021,237.23
Step by Step Solution
- Step 1: Write the proportion equation
212,299,242.44 : 293,063,350.74 = 142,724,975 : x - Step 2: Convert to fraction form
212,299,242.44/293,063,350.74 = 142,724,975/x - Step 3: Cross multiply
212,299,242.44x = 293,063,350.74 × 142,724,975 - Step 4: Simplify right side
212,299,242.44x = 41,827,459,407,782,736 - Step 5: Solve for x
x = 41,827,459,407,782,736/212,299,242.44 - Step 6: Final answer
x = 197,021,237.23
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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.