Finding the Fourth Proportional to 57,753,043.80, 86,629,565.70 and 46,415,635.80
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Solution
The fourth proportional to 57,753,043.80, 86,629,565.70 and 46,415,635.80 is: 69,623,453.70
Step by Step Solution
- Step 1: Write the proportion equation
57,753,043.80 : 86,629,565.70 = 46,415,635.80 : x - Step 2: Convert to fraction form
57,753,043.80/86,629,565.70 = 46,415,635.80/x - Step 3: Cross multiply
57,753,043.80x = 86,629,565.70 × 46,415,635.80 - Step 4: Simplify right side
57,753,043.80x = 4,020,966,371,043,372 - Step 5: Solve for x
x = 4,020,966,371,043,372/57,753,043.80 - Step 6: Final answer
x = 69,623,453.70
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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.