Finding the Fourth Proportional to 84,325,432.46, 116,369,408.36 and 49,051,700.42
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Solution
The fourth proportional to 84,325,432.46, 116,369,408.36 and 49,051,700.42 is: 67,691,527.81
Step by Step Solution
- Step 1: Write the proportion equation
84,325,432.46 : 116,369,408.36 = 49,051,700.42 : x - Step 2: Convert to fraction form
84,325,432.46/116,369,408.36 = 49,051,700.42/x - Step 3: Cross multiply
84,325,432.46x = 116,369,408.36 × 49,051,700.42 - Step 4: Simplify right side
84,325,432.46x = 5,708,117,356,468,145 - Step 5: Solve for x
x = 5,708,117,356,468,145/84,325,432.46 - Step 6: Final answer
x = 67,691,527.81
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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.