Finding the Fourth Proportional to 66,037,620.72, 99,056,299.08 and 17,520,337.68
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Solution
The fourth proportional to 66,037,620.72, 99,056,299.08 and 17,520,337.68 is: 26,280,471.50
Step by Step Solution
- Step 1: Write the proportion equation
66,037,620.72 : 99,056,299.08 = 17,520,337.68 : x - Step 2: Convert to fraction form
66,037,620.72/99,056,299.08 = 17,520,337.68/x - Step 3: Cross multiply
66,037,620.72x = 99,056,299.08 × 17,520,337.68 - Step 4: Simplify right side
66,037,620.72x = 1,735,499,809,212,673.25 - Step 5: Solve for x
x = 1,735,499,809,212,673.25/66,037,620.72 - Step 6: Final answer
x = 26,280,471.50
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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.