Finding the Fourth Proportional to 35,543,965.80, 53,315,948.70 and 33,418,201.80
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Solution
The fourth proportional to 35,543,965.80, 53,315,948.70 and 33,418,201.80 is: 50,127,302.70
Step by Step Solution
- Step 1: Write the proportion equation
35,543,965.80 : 53,315,948.70 = 33,418,201.80 : x - Step 2: Convert to fraction form
35,543,965.80/53,315,948.70 = 33,418,201.80/x - Step 3: Cross multiply
35,543,965.80x = 53,315,948.70 × 33,418,201.80 - Step 4: Simplify right side
35,543,965.80x = 1,781,723,132,815,047.75 - Step 5: Solve for x
x = 1,781,723,132,815,047.75/35,543,965.80 - Step 6: Final answer
x = 50,127,302.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.