Finding the Fourth Proportional to 53,017,807.80, 79,526,711.70 and 27,508,639.80
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Solution
The fourth proportional to 53,017,807.80, 79,526,711.70 and 27,508,639.80 is: 41,262,959.70
Step by Step Solution
- Step 1: Write the proportion equation
53,017,807.80 : 79,526,711.70 = 27,508,639.80 : x - Step 2: Convert to fraction form
53,017,807.80/79,526,711.70 = 27,508,639.80/x - Step 3: Cross multiply
53,017,807.80x = 79,526,711.70 × 27,508,639.80 - Step 4: Simplify right side
53,017,807.80x = 2,187,671,666,633,745.75 - Step 5: Solve for x
x = 2,187,671,666,633,745.75/53,017,807.80 - Step 6: Final answer
x = 41,262,959.70
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1.5x scale
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.