Finding the Fourth Proportional to 75,590,625.80, 104,259,370.73 and 57,006,549.09
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Solution
The fourth proportional to 75,590,625.80, 104,259,370.73 and 57,006,549.09 is: 78,627,037.05
Step by Step Solution
- Step 1: Write the proportion equation
75,590,625.80 : 104,259,370.73 = 57,006,549.09 : x - Step 2: Convert to fraction form
75,590,625.80/104,259,370.73 = 57,006,549.09/x - Step 3: Cross multiply
75,590,625.80x = 104,259,370.73 × 57,006,549.09 - Step 4: Simplify right side
75,590,625.80x = 5,943,466,935,327,221 - Step 5: Solve for x
x = 5,943,466,935,327,221/75,590,625.80 - Step 6: Final answer
x = 78,627,037.05
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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.