Finding the Fourth Proportional to 225,750,115,896.97, 311,541,775,406.05 and 122,873,898,845.79
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Solution
The fourth proportional to 225,750,115,896.97, 311,541,775,406.05 and 122,873,898,845.79 is: 169,569,581,151.19
Step by Step Solution
- Step 1: Write the proportion equation
225,750,115,896.97 : 311,541,775,406.05 = 122,873,898,845.79 : x - Step 2: Convert to fraction form
225,750,115,896.97/311,541,775,406.05 = 122,873,898,845.79/x - Step 3: Cross multiply
225,750,115,896.97x = 311,541,775,406.05 × 122,873,898,845.79 - Step 4: Simplify right side
225,750,115,896.97x = 38,280,352,597,480,809,955,328 - Step 5: Solve for x
x = 38,280,352,597,480,809,955,328/225,750,115,896.97 - Step 6: Final answer
x = 169,569,581,151.19
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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.