Finding the Fourth Proportional to 43,447,405.99, 59,950,755.25 and 25,109,149.99
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Solution
The fourth proportional to 43,447,405.99, 59,950,755.25 and 25,109,149.99 is: 34,646,775.14
Step by Step Solution
- Step 1: Write the proportion equation
43,447,405.99 : 59,950,755.25 = 25,109,149.99 : x - Step 2: Convert to fraction form
43,447,405.99/59,950,755.25 = 25,109,149.99/x - Step 3: Cross multiply
43,447,405.99x = 59,950,755.25 × 25,109,149.99 - Step 4: Simplify right side
43,447,405.99x = 1,505,312,505,586,029.75 - Step 5: Solve for x
x = 1,505,312,505,586,029.75/43,447,405.99 - Step 6: Final answer
x = 34,646,775.14
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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.