Finding the Fourth Proportional to 99,809,930.70, 149,714,896.05 and 28,006,346.70
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Solution
The fourth proportional to 99,809,930.70, 149,714,896.05 and 28,006,346.70 is: 42,009,520.05
Step by Step Solution
- Step 1: Write the proportion equation
99,809,930.70 : 149,714,896.05 = 28,006,346.70 : x - Step 2: Convert to fraction form
99,809,930.70/149,714,896.05 = 28,006,346.70/x - Step 3: Cross multiply
99,809,930.70x = 149,714,896.05 × 28,006,346.70 - Step 4: Simplify right side
99,809,930.70x = 4,192,967,284,930,761 - Step 5: Solve for x
x = 4,192,967,284,930,761/99,809,930.70 - Step 6: Final answer
x = 42,009,520.05
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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.