Finding the Fourth Proportional to 91,797,039.21, 126,683,023.26 and 49,982,726.19
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Solution
The fourth proportional to 91,797,039.21, 126,683,023.26 and 49,982,726.19 is: 68,977,855.05
Step by Step Solution
- Step 1: Write the proportion equation
91,797,039.21 : 126,683,023.26 = 49,982,726.19 : x - Step 2: Convert to fraction form
91,797,039.21/126,683,023.26 = 49,982,726.19/x - Step 3: Cross multiply
91,797,039.21x = 126,683,023.26 × 49,982,726.19 - Step 4: Simplify right side
91,797,039.21x = 6,331,962,864,525,981 - Step 5: Solve for x
x = 6,331,962,864,525,981/91,797,039.21 - Step 6: Final answer
x = 68,977,855.05
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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.