Finding the Fourth Proportional to 149,540,801.80, 224,311,202.70 and 68,919,233.80
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Solution
The fourth proportional to 149,540,801.80, 224,311,202.70 and 68,919,233.80 is: 103,378,850.70
Step by Step Solution
- Step 1: Write the proportion equation
149,540,801.80 : 224,311,202.70 = 68,919,233.80 : x - Step 2: Convert to fraction form
149,540,801.80/224,311,202.70 = 68,919,233.80/x - Step 3: Cross multiply
149,540,801.80x = 224,311,202.70 × 68,919,233.80 - Step 4: Simplify right side
149,540,801.80x = 15,459,356,222,840,490 - Step 5: Solve for x
x = 15,459,356,222,840,490/149,540,801.80 - Step 6: Final answer
x = 103,378,850.70
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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.