Finding the Fourth Proportional to 197,011,508.94, 271,862,926.76 and 113,366,139.12
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Solution
The fourth proportional to 197,011,508.94, 271,862,926.76 and 113,366,139.12 is: 156,437,816.97
Step by Step Solution
- Step 1: Write the proportion equation
197,011,508.94 : 271,862,926.76 = 113,366,139.12 : x - Step 2: Convert to fraction form
197,011,508.94/271,862,926.76 = 113,366,139.12/x - Step 3: Cross multiply
197,011,508.94x = 271,862,926.76 × 113,366,139.12 - Step 4: Simplify right side
197,011,508.94x = 30,820,050,376,644,532 - Step 5: Solve for x
x = 30,820,050,376,644,532/197,011,508.94 - Step 6: Final answer
x = 156,437,816.97
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.