Finding the Fourth Proportional to 211,597,449.33, 292,014,176.19 and 117,512,011.62
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Solution
The fourth proportional to 211,597,449.33, 292,014,176.19 and 117,512,011.62 is: 162,171,960.84
Step by Step Solution
- Step 1: Write the proportion equation
211,597,449.33 : 292,014,176.19 = 117,512,011.62 : x - Step 2: Convert to fraction form
211,597,449.33/292,014,176.19 = 117,512,011.62/x - Step 3: Cross multiply
211,597,449.33x = 292,014,176.19 × 117,512,011.62 - Step 4: Simplify right side
211,597,449.33x = 34,315,173,265,644,008 - Step 5: Solve for x
x = 34,315,173,265,644,008/211,597,449.33 - Step 6: Final answer
x = 162,171,960.84
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.