Finding the Fourth Proportional to 76,766,378.24, 105,925,764.10 and 43,722,414.81
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Solution
The fourth proportional to 76,766,378.24, 105,925,764.10 and 43,722,414.81 is: 60,330,190.16
Step by Step Solution
- Step 1: Write the proportion equation
76,766,378.24 : 105,925,764.10 = 43,722,414.81 : x - Step 2: Convert to fraction form
76,766,378.24/105,925,764.10 = 43,722,414.81/x - Step 3: Cross multiply
76,766,378.24x = 105,925,764.10 × 43,722,414.81 - Step 4: Simplify right side
76,766,378.24x = 4,631,330,196,983,616 - Step 5: Solve for x
x = 4,631,330,196,983,616/76,766,378.24 - Step 6: Final answer
x = 60,330,190.16
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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.