Finding the Fourth Proportional to 314,930,250.30, 472,395,375.45 and 133,177,428.30
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Solution
The fourth proportional to 314,930,250.30, 472,395,375.45 and 133,177,428.30 is: 199,766,142.45
Step by Step Solution
- Step 1: Write the proportion equation
314,930,250.30 : 472,395,375.45 = 133,177,428.30 : x - Step 2: Convert to fraction form
314,930,250.30/472,395,375.45 = 133,177,428.30/x - Step 3: Cross multiply
314,930,250.30x = 472,395,375.45 × 133,177,428.30 - Step 4: Simplify right side
314,930,250.30x = 62,912,401,243,243,952 - Step 5: Solve for x
x = 62,912,401,243,243,952/314,930,250.30 - Step 6: Final answer
x = 199,766,142.45
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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.