Finding the Fourth Proportional to 129,992,797.93, 194,927,222.17 and 48,107,992.81
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Solution
The fourth proportional to 129,992,797.93, 194,927,222.17 and 48,107,992.81 is: 72,139,053.49
Step by Step Solution
- Step 1: Write the proportion equation
129,992,797.93 : 194,927,222.17 = 48,107,992.81 : x - Step 2: Convert to fraction form
129,992,797.93/194,927,222.17 = 48,107,992.81/x - Step 3: Cross multiply
129,992,797.93x = 194,927,222.17 × 48,107,992.81 - Step 4: Simplify right side
129,992,797.93x = 9,377,557,402,627,632 - Step 5: Solve for x
x = 9,377,557,402,627,632/129,992,797.93 - Step 6: Final answer
x = 72,139,053.49
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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.