Finding the Fourth Proportional to 50,640,864.18, 69,884,461.09 and 27,435,990.45
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Solution
The fourth proportional to 50,640,864.18, 69,884,461.09 and 27,435,990.45 is: 37,861,703.94
Step by Step Solution
- Step 1: Write the proportion equation
50,640,864.18 : 69,884,461.09 = 27,435,990.45 : x - Step 2: Convert to fraction form
50,640,864.18/69,884,461.09 = 27,435,990.45/x - Step 3: Cross multiply
50,640,864.18x = 69,884,461.09 × 27,435,990.45 - Step 4: Simplify right side
50,640,864.18x = 1,917,349,407,068,636.75 - Step 5: Solve for x
x = 1,917,349,407,068,636.75/50,640,864.18 - Step 6: Final answer
x = 37,861,703.94
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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.