Finding the Fourth Proportional to 242,757,009.20, 364,135,513.80 and 160,968,239.30
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Solution
The fourth proportional to 242,757,009.20, 364,135,513.80 and 160,968,239.30 is: 241,452,358.95
Step by Step Solution
- Step 1: Write the proportion equation
242,757,009.20 : 364,135,513.80 = 160,968,239.30 : x - Step 2: Convert to fraction form
242,757,009.20/364,135,513.80 = 160,968,239.30/x - Step 3: Cross multiply
242,757,009.20x = 364,135,513.80 × 160,968,239.30 - Step 4: Simplify right side
242,757,009.20x = 58,614,252,522,986,856 - Step 5: Solve for x
x = 58,614,252,522,986,856/242,757,009.20 - Step 6: Final answer
x = 241,452,358.95
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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.