Finding the Fourth Proportional to 198,466,812.10, 273,884,427.76 and 110,358,918.07
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Solution
The fourth proportional to 198,466,812.10, 273,884,427.76 and 110,358,918.07 is: 152,295,433.19
Step by Step Solution
- Step 1: Write the proportion equation
198,466,812.10 : 273,884,427.76 = 110,358,918.07 : x - Step 2: Convert to fraction form
198,466,812.10/273,884,427.76 = 110,358,918.07/x - Step 3: Cross multiply
198,466,812.10x = 273,884,427.76 × 110,358,918.07 - Step 4: Simplify right side
198,466,812.10x = 30,225,589,121,893,456 - Step 5: Solve for x
x = 30,225,589,121,893,456/198,466,812.10 - Step 6: Final answer
x = 152,295,433.19
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.