Finding the Fourth Proportional to 197,368,339.97, 272,357,518.67 and 108,043,004.05
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Solution
The fourth proportional to 197,368,339.97, 272,357,518.67 and 108,043,004.05 is: 149,093,438.67
Step by Step Solution
- Step 1: Write the proportion equation
197,368,339.97 : 272,357,518.67 = 108,043,004.05 : x - Step 2: Convert to fraction form
197,368,339.97/272,357,518.67 = 108,043,004.05/x - Step 3: Cross multiply
197,368,339.97x = 272,357,518.67 × 108,043,004.05 - Step 4: Simplify right side
197,368,339.97x = 29,426,324,490,808,760 - Step 5: Solve for x
x = 29,426,324,490,808,760/197,368,339.97 - Step 6: Final answer
x = 149,093,438.67
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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.