Finding the Fourth Proportional to 247,849,797.31, 371,695,820.82 and 81,822,388.99
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Solution
The fourth proportional to 247,849,797.31, 371,695,820.82 and 81,822,388.99 is: 122,707,544.52
Step by Step Solution
- Step 1: Write the proportion equation
247,849,797.31 : 371,695,820.82 = 81,822,388.99 : x - Step 2: Convert to fraction form
247,849,797.31/371,695,820.82 = 81,822,388.99/x - Step 3: Cross multiply
247,849,797.31x = 371,695,820.82 × 81,822,388.99 - Step 4: Simplify right side
247,849,797.31x = 30,413,040,037,091,380 - Step 5: Solve for x
x = 30,413,040,037,091,380/247,849,797.31 - Step 6: Final answer
x = 122,707,544.52
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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.