Finding the Fourth Proportional to 247,720,697.05, 341,537,218.77 and 202,901,558.04
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Solution
The fourth proportional to 247,720,697.05, 341,537,218.77 and 202,901,558.04 is: 279,744,222.59
Step by Step Solution
- Step 1: Write the proportion equation
247,720,697.05 : 341,537,218.77 = 202,901,558.04 : x - Step 2: Convert to fraction form
247,720,697.05/341,537,218.77 = 202,901,558.04/x - Step 3: Cross multiply
247,720,697.05x = 341,537,218.77 × 202,901,558.04 - Step 4: Simplify right side
247,720,697.05x = 69,298,433,816,320,448 - Step 5: Solve for x
x = 69,298,433,816,320,448/247,720,697.05 - Step 6: Final answer
x = 279,744,222.59
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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.