Finding the Fourth Proportional to 211,772,936.48, 292,253,749.56 and 117,691,048.94
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Solution
The fourth proportional to 211,772,936.48, 292,253,749.56 and 117,691,048.94 is: 162,417,591.76
Step by Step Solution
- Step 1: Write the proportion equation
211,772,936.48 : 292,253,749.56 = 117,691,048.94 : x - Step 2: Convert to fraction form
211,772,936.48/292,253,749.56 = 117,691,048.94/x - Step 3: Cross multiply
211,772,936.48x = 292,253,749.56 × 117,691,048.94 - Step 4: Simplify right side
211,772,936.48x = 34,395,650,342,364,464 - Step 5: Solve for x
x = 34,395,650,342,364,464/211,772,936.48 - Step 6: Final answer
x = 162,417,591.76
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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.