Finding the Fourth Proportional to 72,195,474.87, 108,303,504.99 and 23,677,126.11
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Solution
The fourth proportional to 72,195,474.87, 108,303,504.99 and 23,677,126.11 is: 35,519,064.74
Step by Step Solution
- Step 1: Write the proportion equation
72,195,474.87 : 108,303,504.99 = 23,677,126.11 : x - Step 2: Convert to fraction form
72,195,474.87/108,303,504.99 = 23,677,126.11/x - Step 3: Cross multiply
72,195,474.87x = 108,303,504.99 × 23,677,126.11 - Step 4: Simplify right side
72,195,474.87x = 2,564,315,745,803,244 - Step 5: Solve for x
x = 2,564,315,745,803,244/72,195,474.87 - Step 6: Final answer
x = 35,519,064.74
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.