Finding the Fourth Proportional to 211,760,173.58, 292,237,825.14 and 117,673,969.19
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Solution
The fourth proportional to 211,760,173.58, 292,237,825.14 and 117,673,969.19 is: 162,394,959.59
Step by Step Solution
- Step 1: Write the proportion equation
211,760,173.58 : 292,237,825.14 = 117,673,969.19 : x - Step 2: Convert to fraction form
211,760,173.58/292,237,825.14 = 117,673,969.19/x - Step 3: Cross multiply
211,760,173.58x = 292,237,825.14 × 117,673,969.19 - Step 4: Simplify right side
211,760,173.58x = 34,388,784,830,215,776 - Step 5: Solve for x
x = 34,388,784,830,215,776/211,760,173.58 - Step 6: Final answer
x = 162,394,959.59
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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.