Finding the Fourth Proportional to 211,597,448.33, 292,014,174.81 and 117,512,010.62
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Solution
The fourth proportional to 211,597,448.33, 292,014,174.81 and 117,512,010.62 is: 162,171,959.45
Step by Step Solution
- Step 1: Write the proportion equation
211,597,448.33 : 292,014,174.81 = 117,512,010.62 : x - Step 2: Convert to fraction form
211,597,448.33/292,014,174.81 = 117,512,010.62/x - Step 3: Cross multiply
211,597,448.33x = 292,014,174.81 × 117,512,010.62 - Step 4: Simplify right side
211,597,448.33x = 34,315,172,810,003,184 - Step 5: Solve for x
x = 34,315,172,810,003,184/211,597,448.33 - Step 6: Final answer
x = 162,171,959.45
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1.5x scale
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.