Finding the Fourth Proportional to 199,392,646.73, 299,194,345.49 and 141,474,628.94
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Solution
The fourth proportional to 199,392,646.73, 299,194,345.49 and 141,474,628.94 is: 212,286,710.18
Step by Step Solution
- Step 1: Write the proportion equation
199,392,646.73 : 299,194,345.49 = 141,474,628.94 : x - Step 2: Convert to fraction form
199,392,646.73/299,194,345.49 = 141,474,628.94/x - Step 3: Cross multiply
199,392,646.73x = 299,194,345.49 × 141,474,628.94 - Step 4: Simplify right side
199,392,646.73x = 42,328,409,006,940,568 - Step 5: Solve for x
x = 42,328,409,006,940,568/199,392,646.73 - Step 6: Final answer
x = 212,286,710.18
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.