Finding the Fourth Proportional to 209,742,745.98, 314,626,729.97 and 64,177,568.51
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Solution
The fourth proportional to 209,742,745.98, 314,626,729.97 and 64,177,568.51 is: 96,270,211.50
Step by Step Solution
- Step 1: Write the proportion equation
209,742,745.98 : 314,626,729.97 = 64,177,568.51 : x - Step 2: Convert to fraction form
209,742,745.98/314,626,729.97 = 64,177,568.51/x - Step 3: Cross multiply
209,742,745.98x = 314,626,729.97 × 64,177,568.51 - Step 4: Simplify right side
209,742,745.98x = 20,191,978,515,832,924 - Step 5: Solve for x
x = 20,191,978,515,832,924/209,742,745.98 - Step 6: Final answer
x = 96,270,211.50
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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.