Finding the Fourth Proportional to 213,695,993.20, 320,437,847.28 and 68,110,610.80
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Solution
The fourth proportional to 213,695,993.20, 320,437,847.28 and 68,110,610.80 is: 102,132,085.75
Step by Step Solution
- Step 1: Write the proportion equation
213,695,993.20 : 320,437,847.28 = 68,110,610.80 : x - Step 2: Convert to fraction form
213,695,993.20/320,437,847.28 = 68,110,610.80/x - Step 3: Cross multiply
213,695,993.20x = 320,437,847.28 × 68,110,610.80 - Step 4: Simplify right side
213,695,993.20x = 21,825,217,501,677,916 - Step 5: Solve for x
x = 21,825,217,501,677,916/213,695,993.20 - Step 6: Final answer
x = 102,132,085.75
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.