Finding the Fourth Proportional to 271,247,199.24, 406,832,491.10 and 86,990,732.44
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Solution
The fourth proportional to 271,247,199.24, 406,832,491.10 and 86,990,732.44 is: 130,473,813.11
Step by Step Solution
- Step 1: Write the proportion equation
271,247,199.24 : 406,832,491.10 = 86,990,732.44 : x - Step 2: Convert to fraction form
271,247,199.24/406,832,491.10 = 86,990,732.44/x - Step 3: Cross multiply
271,247,199.24x = 406,832,491.10 × 86,990,732.44 - Step 4: Simplify right side
271,247,199.24x = 35,390,656,381,178,784 - Step 5: Solve for x
x = 35,390,656,381,178,784/271,247,199.24 - Step 6: Final answer
x = 130,473,813.11
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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.