Finding the Fourth Proportional to 106,423,414.70, 159,716,600.97 and 48,172,000.45
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Solution
The fourth proportional to 106,423,414.70, 159,716,600.97 and 48,172,000.45 is: 72,294,881.68
Step by Step Solution
- Step 1: Write the proportion equation
106,423,414.70 : 159,716,600.97 = 48,172,000.45 : x - Step 2: Convert to fraction form
106,423,414.70/159,716,600.97 = 48,172,000.45/x - Step 3: Cross multiply
106,423,414.70x = 159,716,600.97 × 48,172,000.45 - Step 4: Simplify right side
106,423,414.70x = 7,693,868,173,998,956 - Step 5: Solve for x
x = 7,693,868,173,998,956/106,423,414.70 - Step 6: Final answer
x = 72,294,881.68
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.