Finding the Fourth Proportional to 78,889,629.53, 108,865,600.20 and 44,082,605.99
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Solution
The fourth proportional to 78,889,629.53, 108,865,600.20 and 44,082,605.99 is: 60,832,829.20
Step by Step Solution
- Step 1: Write the proportion equation
78,889,629.53 : 108,865,600.20 = 44,082,605.99 : x - Step 2: Convert to fraction form
78,889,629.53/108,865,600.20 = 44,082,605.99/x - Step 3: Cross multiply
78,889,629.53x = 108,865,600.20 × 44,082,605.99 - Step 4: Simplify right side
78,889,629.53x = 4,799,079,358,937,137 - Step 5: Solve for x
x = 4,799,079,358,937,137/78,889,629.53 - Step 6: Final answer
x = 60,832,829.20
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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.