Finding the Fourth Proportional to 216,030,121.23, 324,031,729.74 and 133,047,664.26
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Solution
The fourth proportional to 216,030,121.23, 324,031,729.74 and 133,047,664.26 is: 199,563,211.57
Step by Step Solution
- Step 1: Write the proportion equation
216,030,121.23 : 324,031,729.74 = 133,047,664.26 : x - Step 2: Convert to fraction form
216,030,121.23/324,031,729.74 = 133,047,664.26/x - Step 3: Cross multiply
216,030,121.23x = 324,031,729.74 × 133,047,664.26 - Step 4: Simplify right side
216,030,121.23x = 43,111,664,788,366,808 - Step 5: Solve for x
x = 43,111,664,788,366,808/216,030,121.23 - Step 6: Final answer
x = 199,563,211.57
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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.