Finding the Fourth Proportional to 99,414,471.18, 137,121,299.90 and 66,358,053.66
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Solution
The fourth proportional to 99,414,471.18, 137,121,299.90 and 66,358,053.66 is: 91,526,942.39
Step by Step Solution
- Step 1: Write the proportion equation
99,414,471.18 : 137,121,299.90 = 66,358,053.66 : x - Step 2: Convert to fraction form
99,414,471.18/137,121,299.90 = 66,358,053.66/x - Step 3: Cross multiply
99,414,471.18x = 137,121,299.90 × 66,358,053.66 - Step 4: Simplify right side
99,414,471.18x = 9,099,102,576,693,152 - Step 5: Solve for x
x = 9,099,102,576,693,152/99,414,471.18 - Step 6: Final answer
x = 91,526,942.39
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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.