Finding the Fourth Proportional to 314,930,274.80, 472,395,412.20 and 133,177,452.80
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Solution
The fourth proportional to 314,930,274.80, 472,395,412.20 and 133,177,452.80 is: 199,766,179.20
Step by Step Solution
- Step 1: Write the proportion equation
314,930,274.80 : 472,395,412.20 = 133,177,452.80 : x - Step 2: Convert to fraction form
314,930,274.80/472,395,412.20 = 133,177,452.80/x - Step 3: Cross multiply
314,930,274.80x = 472,395,412.20 × 133,177,452.80 - Step 4: Simplify right side
314,930,274.80x = 62,912,417,711,202,040 - Step 5: Solve for x
x = 62,912,417,711,202,040/314,930,274.80 - Step 6: Final answer
x = 199,766,179.20
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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.