Finding the Fourth Proportional to 186,271,919.36, 257,043,664.58 and 102,635,369.56
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Solution
The fourth proportional to 186,271,919.36, 257,043,664.58 and 102,635,369.56 is: 141,630,427.16
Step by Step Solution
- Step 1: Write the proportion equation
186,271,919.36 : 257,043,664.58 = 102,635,369.56 : x - Step 2: Convert to fraction form
186,271,919.36/257,043,664.58 = 102,635,369.56/x - Step 3: Cross multiply
186,271,919.36x = 257,043,664.58 × 102,635,369.56 - Step 4: Simplify right side
186,271,919.36x = 26,381,771,507,224,984 - Step 5: Solve for x
x = 26,381,771,507,224,984/186,271,919.36 - Step 6: Final answer
x = 141,630,427.16
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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.