Finding the Fourth Proportional to 88,751,779.09, 122,475,105.73 and 49,593,877.61
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Solution
The fourth proportional to 88,751,779.09, 122,475,105.73 and 49,593,877.61 is: 68,438,238.27
Step by Step Solution
- Step 1: Write the proportion equation
88,751,779.09 : 122,475,105.73 = 49,593,877.61 : x - Step 2: Convert to fraction form
88,751,779.09/122,475,105.73 = 49,593,877.61/x - Step 3: Cross multiply
88,751,779.09x = 122,475,105.73 × 49,593,877.61 - Step 4: Simplify right side
88,751,779.09x = 6,074,015,403,845,430 - Step 5: Solve for x
x = 6,074,015,403,845,430/88,751,779.09 - Step 6: Final answer
x = 68,438,238.27
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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.