Finding the Fourth Proportional to 197,368,336.24, 272,357,513.52 and 108,043,000.31
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Solution
The fourth proportional to 197,368,336.24, 272,357,513.52 and 108,043,000.31 is: 149,093,433.53
Step by Step Solution
- Step 1: Write the proportion equation
197,368,336.24 : 272,357,513.52 = 108,043,000.31 : x - Step 2: Convert to fraction form
197,368,336.24/272,357,513.52 = 108,043,000.31/x - Step 3: Cross multiply
197,368,336.24x = 272,357,513.52 × 108,043,000.31 - Step 4: Simplify right side
197,368,336.24x = 29,426,322,919,051,512 - Step 5: Solve for x
x = 29,426,322,919,051,512/197,368,336.24 - Step 6: Final answer
x = 149,093,433.53
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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.