Finding the Fourth Proportional to 110,831,181.68, 152,921,654.18 and 66,168,460.23
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Solution
The fourth proportional to 110,831,181.68, 152,921,654.18 and 66,168,460.23 is: 91,297,324.81
Step by Step Solution
- Step 1: Write the proportion equation
110,831,181.68 : 152,921,654.18 = 66,168,460.23 : x - Step 2: Convert to fraction form
110,831,181.68/152,921,654.18 = 66,168,460.23/x - Step 3: Cross multiply
110,831,181.68x = 152,921,654.18 × 66,168,460.23 - Step 4: Simplify right side
110,831,181.68x = 10,118,590,392,915,144 - Step 5: Solve for x
x = 10,118,590,392,915,144/110,831,181.68 - Step 6: Final answer
x = 91,297,324.81
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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.