Finding the Fourth Proportional to 99,524,151.63, 137,343,966.32 and 55,473,942.99
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Solution
The fourth proportional to 99,524,151.63, 137,343,966.32 and 55,473,942.99 is: 76,554,396.43
Step by Step Solution
- Step 1: Write the proportion equation
99,524,151.63 : 137,343,966.32 = 55,473,942.99 : x - Step 2: Convert to fraction form
99,524,151.63/137,343,966.32 = 55,473,942.99/x - Step 3: Cross multiply
99,524,151.63x = 137,343,966.32 × 55,473,942.99 - Step 4: Simplify right side
99,524,151.63x = 7,619,011,358,309,884 - Step 5: Solve for x
x = 7,619,011,358,309,884/99,524,151.63 - Step 6: Final answer
x = 76,554,396.43
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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.