Finding the Fourth Proportional to 75,590,607.99, 104,259,346.17 and 57,006,531.32
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Solution
The fourth proportional to 75,590,607.99, 104,259,346.17 and 57,006,531.32 is: 78,627,012.54
Step by Step Solution
- Step 1: Write the proportion equation
75,590,607.99 : 104,259,346.17 = 57,006,531.32 : x - Step 2: Convert to fraction form
75,590,607.99/104,259,346.17 = 57,006,531.32/x - Step 3: Cross multiply
75,590,607.99x = 104,259,346.17 × 57,006,531.32 - Step 4: Simplify right side
75,590,607.99x = 5,943,463,682,321,530 - Step 5: Solve for x
x = 5,943,463,682,321,530/75,590,607.99 - Step 6: Final answer
x = 78,627,012.54
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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.