Finding the Fourth Proportional to 75,143,758,417.26, 103,698,453,333.27 and 41,311,629,143.34
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Solution
The fourth proportional to 75,143,758,417.26, 103,698,453,333.27 and 41,311,629,143.34 is: 57,010,084,896.92
Step by Step Solution
- Step 1: Write the proportion equation
75,143,758,417.26 : 103,698,453,333.27 = 41,311,629,143.34 : x - Step 2: Convert to fraction form
75,143,758,417.26/103,698,453,333.27 = 41,311,629,143.34/x - Step 3: Cross multiply
75,143,758,417.26x = 103,698,453,333.27 × 41,311,629,143.34 - Step 4: Simplify right side
75,143,758,417.26x = 4,283,952,046,841,999,654,912 - Step 5: Solve for x
x = 4,283,952,046,841,999,654,912/75,143,758,417.26 - Step 6: Final answer
x = 57,010,084,896.92
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1.5x scale
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.