Finding the Fourth Proportional to 61,469,934.49, 84,830,220.71 and 33,969,634.21
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Solution
The fourth proportional to 61,469,934.49, 84,830,220.71 and 33,969,634.21 is: 46,879,040.81
Step by Step Solution
- Step 1: Write the proportion equation
61,469,934.49 : 84,830,220.71 = 33,969,634.21 : x - Step 2: Convert to fraction form
61,469,934.49/84,830,220.71 = 33,969,634.21/x - Step 3: Cross multiply
61,469,934.49x = 84,830,220.71 × 33,969,634.21 - Step 4: Simplify right side
61,469,934.49x = 2,881,651,567,472,266.50 - Step 5: Solve for x
x = 2,881,651,567,472,266.50/61,469,934.49 - Step 6: Final answer
x = 46,879,040.81
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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.