Finding the Fourth Proportional to 201,392,917.79, 302,089,460.11 and 90,599,176.44
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Solution
The fourth proportional to 201,392,917.79, 302,089,460.11 and 90,599,176.44 is: 135,898,802.19
Step by Step Solution
- Step 1: Write the proportion equation
201,392,917.79 : 302,089,460.11 = 90,599,176.44 : x - Step 2: Convert to fraction form
201,392,917.79/302,089,460.11 = 90,599,176.44/x - Step 3: Cross multiply
201,392,917.79x = 302,089,460.11 × 90,599,176.44 - Step 4: Simplify right side
201,392,917.79x = 27,369,056,296,943,736 - Step 5: Solve for x
x = 27,369,056,296,943,736/201,392,917.79 - Step 6: Final answer
x = 135,898,802.19
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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.