Finding the Fourth Proportional to 121,875,532.10, 168,188,236.17 and 69,665,698.82
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Solution
The fourth proportional to 121,875,532.10, 168,188,236.17 and 69,665,698.82 is: 96,138,665.44
Step by Step Solution
- Step 1: Write the proportion equation
121,875,532.10 : 168,188,236.17 = 69,665,698.82 : x - Step 2: Convert to fraction form
121,875,532.10/168,188,236.17 = 69,665,698.82/x - Step 3: Cross multiply
121,875,532.10x = 168,188,236.17 × 69,665,698.82 - Step 4: Simplify right side
121,875,532.10x = 11,716,951,006,086,248 - Step 5: Solve for x
x = 11,716,951,006,086,248/121,875,532.10 - Step 6: Final answer
x = 96,138,665.44
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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.