Finding the Fourth Proportional to 91,797,029.09, 126,683,009.28 and 49,982,716.07
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Solution
The fourth proportional to 91,797,029.09, 126,683,009.28 and 49,982,716.07 is: 68,977,841.08
Step by Step Solution
- Step 1: Write the proportion equation
91,797,029.09 : 126,683,009.28 = 49,982,716.07 : x - Step 2: Convert to fraction form
91,797,029.09/126,683,009.28 = 49,982,716.07/x - Step 3: Cross multiply
91,797,029.09x = 126,683,009.28 × 49,982,716.07 - Step 4: Simplify right side
91,797,029.09x = 6,331,960,883,735,415 - Step 5: Solve for x
x = 6,331,960,883,735,415/91,797,029.09 - Step 6: Final answer
x = 68,977,841.08
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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.