Finding the Fourth Proportional to 117,858,407.00, 162,618,950.75 and 71,460,064.76
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Solution
The fourth proportional to 117,858,407.00, 162,618,950.75 and 71,460,064.76 is: 98,599,336.67
Step by Step Solution
- Step 1: Write the proportion equation
117,858,407.00 : 162,618,950.75 = 71,460,064.76 : x - Step 2: Convert to fraction form
117,858,407.00/162,618,950.75 = 71,460,064.76/x - Step 3: Cross multiply
117,858,407.00x = 162,618,950.75 × 71,460,064.76 - Step 4: Simplify right side
117,858,407.00x = 11,620,760,750,627,856 - Step 5: Solve for x
x = 11,620,760,750,627,856/117,858,407.00 - Step 6: Final answer
x = 98,599,336.67
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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.