Finding the Fourth Proportional to 106,005,138.30, 159,018,205.05 and 36,907,310.70
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Solution
The fourth proportional to 106,005,138.30, 159,018,205.05 and 36,907,310.70 is: 55,364,620.95
Step by Step Solution
- Step 1: Write the proportion equation
106,005,138.30 : 159,018,205.05 = 36,907,310.70 : x - Step 2: Convert to fraction form
106,005,138.30/159,018,205.05 = 36,907,310.70/x - Step 3: Cross multiply
106,005,138.30x = 159,018,205.05 × 36,907,310.70 - Step 4: Simplify right side
106,005,138.30x = 5,868,934,300,736,660 - Step 5: Solve for x
x = 5,868,934,300,736,660/106,005,138.30 - Step 6: Final answer
x = 55,364,620.95
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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.