Finding the Fourth Proportional to 136,216,958.13, 187,979,350.41 and 74,337,296.76
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Solution
The fourth proportional to 136,216,958.13, 187,979,350.41 and 74,337,296.76 is: 102,585,441.26
Step by Step Solution
- Step 1: Write the proportion equation
136,216,958.13 : 187,979,350.41 = 74,337,296.76 : x - Step 2: Convert to fraction form
136,216,958.13/187,979,350.41 = 74,337,296.76/x - Step 3: Cross multiply
136,216,958.13x = 187,979,350.41 × 74,337,296.76 - Step 4: Simplify right side
136,216,958.13x = 13,973,876,756,180,198 - Step 5: Solve for x
x = 13,973,876,756,180,198/136,216,958.13 - Step 6: Final answer
x = 102,585,441.26
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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.