Finding the Fourth Proportional to 146,512,167.40, 219,768,251.10 and 44,291,981.80
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Solution
The fourth proportional to 146,512,167.40, 219,768,251.10 and 44,291,981.80 is: 66,437,972.70
Step by Step Solution
- Step 1: Write the proportion equation
146,512,167.40 : 219,768,251.10 = 44,291,981.80 : x - Step 2: Convert to fraction form
146,512,167.40/219,768,251.10 = 44,291,981.80/x - Step 3: Cross multiply
146,512,167.40x = 219,768,251.10 × 44,291,981.80 - Step 4: Simplify right side
146,512,167.40x = 9,733,971,377,939,030 - Step 5: Solve for x
x = 9,733,971,377,939,030/146,512,167.40 - Step 6: Final answer
x = 66,437,972.70
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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.