Finding the Fourth Proportional to 197,641,553.36, 272,745,369.50 and 109,541,238.84
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Solution
The fourth proportional to 197,641,553.36, 272,745,369.50 and 109,541,238.84 is: 151,166,923.92
Step by Step Solution
- Step 1: Write the proportion equation
197,641,553.36 : 272,745,369.50 = 109,541,238.84 : x - Step 2: Convert to fraction form
197,641,553.36/272,745,369.50 = 109,541,238.84/x - Step 3: Cross multiply
197,641,553.36x = 272,745,369.50 × 109,541,238.84 - Step 4: Simplify right side
197,641,553.36x = 29,876,865,661,360,408 - Step 5: Solve for x
x = 29,876,865,661,360,408/197,641,553.36 - Step 6: Final answer
x = 151,166,923.92
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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.