Finding the Fourth Proportional to 91,541,032.74, 126,276,309.68 and 57,989,065.97
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Solution
The fourth proportional to 91,541,032.74, 126,276,309.68 and 57,989,065.97 is: 79,993,037.37
Step by Step Solution
- Step 1: Write the proportion equation
91,541,032.74 : 126,276,309.68 = 57,989,065.97 : x - Step 2: Convert to fraction form
91,541,032.74/126,276,309.68 = 57,989,065.97/x - Step 3: Cross multiply
91,541,032.74x = 126,276,309.68 × 57,989,065.97 - Step 4: Simplify right side
91,541,032.74x = 7,322,645,252,481,670 - Step 5: Solve for x
x = 7,322,645,252,481,670/91,541,032.74 - Step 6: Final answer
x = 79,993,037.37
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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.