Finding the Fourth Proportional to 75,816,735.63, 104,618,103.84 and 42,775,058.49
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Solution
The fourth proportional to 75,816,735.63, 104,618,103.84 and 42,775,058.49 is: 59,024,507.90
Step by Step Solution
- Step 1: Write the proportion equation
75,816,735.63 : 104,618,103.84 = 42,775,058.49 : x - Step 2: Convert to fraction form
75,816,735.63/104,618,103.84 = 42,775,058.49/x - Step 3: Cross multiply
75,816,735.63x = 104,618,103.84 × 42,775,058.49 - Step 4: Simplify right side
75,816,735.63x = 4,475,045,510,868,894 - Step 5: Solve for x
x = 4,475,045,510,868,894/75,816,735.63 - Step 6: Final answer
x = 59,024,507.90
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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.