Finding the Fourth Proportional to 217,515,256.99, 326,269,690.87 and 53,753,009.14
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Solution
The fourth proportional to 217,515,256.99, 326,269,690.87 and 53,753,009.14 is: 80,628,724.25
Step by Step Solution
- Step 1: Write the proportion equation
217,515,256.99 : 326,269,690.87 = 53,753,009.14 : x - Step 2: Convert to fraction form
217,515,256.99/326,269,690.87 = 53,753,009.14/x - Step 3: Cross multiply
217,515,256.99x = 326,269,690.87 × 53,753,009.14 - Step 4: Simplify right side
217,515,256.99x = 17,537,977,675,171,320 - Step 5: Solve for x
x = 17,537,977,675,171,320/217,515,256.99 - Step 6: Final answer
x = 80,628,724.25
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.