Finding the Fourth Proportional to 76,931,797.23, 106,166,052.09 and 41,649,974.19
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Solution
The fourth proportional to 76,931,797.23, 106,166,052.09 and 41,649,974.19 is: 57,477,057.45
Step by Step Solution
- Step 1: Write the proportion equation
76,931,797.23 : 106,166,052.09 = 41,649,974.19 : x - Step 2: Convert to fraction form
76,931,797.23/106,166,052.09 = 41,649,974.19/x - Step 3: Cross multiply
76,931,797.23x = 106,166,052.09 × 41,649,974.19 - Step 4: Simplify right side
76,931,797.23x = 4,421,813,329,402,695.50 - Step 5: Solve for x
x = 4,421,813,329,402,695.50/76,931,797.23 - Step 6: Final answer
x = 57,477,057.45
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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.