Finding the Fourth Proportional to 174,264,616.80, 261,452,912.40 and 116,821,749.60
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Solution
The fourth proportional to 174,264,616.80, 261,452,912.40 and 116,821,749.60 is: 175,270,156.53
Step by Step Solution
- Step 1: Write the proportion equation
174,264,616.80 : 261,452,912.40 = 116,821,749.60 : x - Step 2: Convert to fraction form
174,264,616.80/261,452,912.40 = 116,821,749.60/x - Step 3: Cross multiply
174,264,616.80x = 261,452,912.40 × 116,821,749.60 - Step 4: Simplify right side
174,264,616.80x = 30,543,386,664,583,536 - Step 5: Solve for x
x = 30,543,386,664,583,536/174,264,616.80 - Step 6: Final answer
x = 175,270,156.53
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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.