Finding the Fourth Proportional to 49,981,463.08, 68,973,909.11 and 27,954,909.92
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Solution
The fourth proportional to 49,981,463.08, 68,973,909.11 and 27,954,909.92 is: 38,577,490.48
Step by Step Solution
- Step 1: Write the proportion equation
49,981,463.08 : 68,973,909.11 = 27,954,909.92 : x - Step 2: Convert to fraction form
49,981,463.08/68,973,909.11 = 27,954,909.92/x - Step 3: Cross multiply
49,981,463.08x = 68,973,909.11 × 27,954,909.92 - Step 4: Simplify right side
49,981,463.08x = 1,928,159,416,032,977.75 - Step 5: Solve for x
x = 1,928,159,416,032,977.75/49,981,463.08 - Step 6: Final answer
x = 38,577,490.48
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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.