Finding the Fourth Proportional to 120,783,953.79, 166,686,574.55 and 68,577,846.75
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Solution
The fourth proportional to 120,783,953.79, 166,686,574.55 and 68,577,846.75 is: 94,640,107.45
Step by Step Solution
- Step 1: Write the proportion equation
120,783,953.79 : 166,686,574.55 = 68,577,846.75 : x - Step 2: Convert to fraction form
120,783,953.79/166,686,574.55 = 68,577,846.75/x - Step 3: Cross multiply
120,783,953.79x = 166,686,574.55 × 68,577,846.75 - Step 4: Simplify right side
120,783,953.79x = 11,431,006,364,429,460 - Step 5: Solve for x
x = 11,431,006,364,429,460/120,783,953.79 - Step 6: Final answer
x = 94,640,107.45
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.