Finding the Fourth Proportional to 244,649,112.13, 337,686,917.39 and 159,888,981.77
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Solution
The fourth proportional to 244,649,112.13, 337,686,917.39 and 159,888,981.77 is: 220,693,289.70
Step by Step Solution
- Step 1: Write the proportion equation
244,649,112.13 : 337,686,917.39 = 159,888,981.77 : x - Step 2: Convert to fraction form
244,649,112.13/337,686,917.39 = 159,888,981.77/x - Step 3: Cross multiply
244,649,112.13x = 337,686,917.39 × 159,888,981.77 - Step 4: Simplify right side
244,649,112.13x = 53,992,417,378,537,208 - Step 5: Solve for x
x = 53,992,417,378,537,208/244,649,112.13 - Step 6: Final answer
x = 220,693,289.70
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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.