Finding the Fourth Proportional to 135,955,414.52, 203,970,604.12 and 54,131,753.48
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Solution
The fourth proportional to 135,955,414.52, 203,970,604.12 and 54,131,753.48 is: 81,212,554.12
Step by Step Solution
- Step 1: Write the proportion equation
135,955,414.52 : 203,970,604.12 = 54,131,753.48 : x - Step 2: Convert to fraction form
135,955,414.52/203,970,604.12 = 54,131,753.48/x - Step 3: Cross multiply
135,955,414.52x = 203,970,604.12 × 54,131,753.48 - Step 4: Simplify right side
135,955,414.52x = 11,041,286,459,390,512 - Step 5: Solve for x
x = 11,041,286,459,390,512/135,955,414.52 - Step 6: Final answer
x = 81,212,554.12
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.