Finding the Fourth Proportional to 211,773,091.68, 292,253,962.82 and 117,691,203.69
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Solution
The fourth proportional to 211,773,091.68, 292,253,962.82 and 117,691,203.69 is: 162,417,804.80
Step by Step Solution
- Step 1: Write the proportion equation
211,773,091.68 : 292,253,962.82 = 117,691,203.69 : x - Step 2: Convert to fraction form
211,773,091.68/292,253,962.82 = 117,691,203.69/x - Step 3: Cross multiply
211,773,091.68x = 292,253,962.82 × 117,691,203.69 - Step 4: Simplify right side
211,773,091.68x = 34,395,720,666,869,848 - Step 5: Solve for x
x = 34,395,720,666,869,848/211,773,091.68 - Step 6: Final answer
x = 162,417,804.80
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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.