Finding the Fourth Proportional to 157,469,085.30, 236,203,627.95 and 143,864,195.70
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Solution
The fourth proportional to 157,469,085.30, 236,203,627.95 and 143,864,195.70 is: 215,796,293.55
Step by Step Solution
- Step 1: Write the proportion equation
157,469,085.30 : 236,203,627.95 = 143,864,195.70 : x - Step 2: Convert to fraction form
157,469,085.30/236,203,627.95 = 143,864,195.70/x - Step 3: Cross multiply
157,469,085.30x = 236,203,627.95 × 143,864,195.70 - Step 4: Simplify right side
157,469,085.30x = 33,981,244,956,448,784 - Step 5: Solve for x
x = 33,981,244,956,448,784/157,469,085.30 - Step 6: Final answer
x = 215,796,293.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.