Finding the Fourth Proportional to 203,692,471.20, 281,103,025.68 and 110,868,492.96
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Solution
The fourth proportional to 203,692,471.20, 281,103,025.68 and 110,868,492.96 is: 153,002,556.45
Step by Step Solution
- Step 1: Write the proportion equation
203,692,471.20 : 281,103,025.68 = 110,868,492.96 : x - Step 2: Convert to fraction form
203,692,471.20/281,103,025.68 = 110,868,492.96/x - Step 3: Cross multiply
203,692,471.20x = 281,103,025.68 × 110,868,492.96 - Step 4: Simplify right side
203,692,471.20x = 31,165,468,823,637,780 - Step 5: Solve for x
x = 31,165,468,823,637,780/203,692,471.20 - Step 6: Final answer
x = 153,002,556.45
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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.