Finding the Fourth Proportional to 146,608,152.24, 202,313,707.02 and 81,422,255.28
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Solution
The fourth proportional to 146,608,152.24, 202,313,707.02 and 81,422,255.28 is: 112,359,633.81
Step by Step Solution
- Step 1: Write the proportion equation
146,608,152.24 : 202,313,707.02 = 81,422,255.28 : x - Step 2: Convert to fraction form
146,608,152.24/202,313,707.02 = 81,422,255.28/x - Step 3: Cross multiply
146,608,152.24x = 202,313,707.02 × 81,422,255.28 - Step 4: Simplify right side
146,608,152.24x = 16,472,838,299,625,570 - Step 5: Solve for x
x = 16,472,838,299,625,570/146,608,152.24 - Step 6: Final answer
x = 112,359,633.81
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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.