Finding the Fourth Proportional to 61,173,890.70, 91,811,027.70 and 60,695,593.80
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Solution
The fourth proportional to 61,173,890.70, 91,811,027.70 and 60,695,593.80 is: 91,093,189.92
Step by Step Solution
- Step 1: Write the proportion equation
61,173,890.70 : 91,811,027.70 = 60,695,593.80 : x - Step 2: Convert to fraction form
61,173,890.70/91,811,027.70 = 60,695,593.80/x - Step 3: Cross multiply
61,173,890.70x = 91,811,027.70 × 60,695,593.80 - Step 4: Simplify right side
61,173,890.70x = 5,572,524,843,639,748 - Step 5: Solve for x
x = 5,572,524,843,639,748/61,173,890.70 - Step 6: Final answer
x = 91,093,189.92
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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.