Finding the Fourth Proportional to 95,305,139.19, 131,515,566.69 and 53,485,299.54
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Solution
The fourth proportional to 95,305,139.19, 131,515,566.69 and 53,485,299.54 is: 73,806,612.51
Step by Step Solution
- Step 1: Write the proportion equation
95,305,139.19 : 131,515,566.69 = 53,485,299.54 : x - Step 2: Convert to fraction form
95,305,139.19/131,515,566.69 = 53,485,299.54/x - Step 3: Cross multiply
95,305,139.19x = 131,515,566.69 × 53,485,299.54 - Step 4: Simplify right side
95,305,139.19x = 7,034,149,478,587,496 - Step 5: Solve for x
x = 7,034,149,478,587,496/95,305,139.19 - Step 6: Final answer
x = 73,806,612.51
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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.