Finding the Fourth Proportional to 57,287,999.48, 85,931,157.84 and 14,157,201.68
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Solution
The fourth proportional to 57,287,999.48, 85,931,157.84 and 14,157,201.68 is: 21,235,594.60
Step by Step Solution
- Step 1: Write the proportion equation
57,287,999.48 : 85,931,157.84 = 14,157,201.68 : x - Step 2: Convert to fraction form
57,287,999.48/85,931,157.84 = 14,157,201.68/x - Step 3: Cross multiply
57,287,999.48x = 85,931,157.84 × 14,157,201.68 - Step 4: Simplify right side
57,287,999.48x = 1,216,544,732,136,793.25 - Step 5: Solve for x
x = 1,216,544,732,136,793.25/57,287,999.48 - Step 6: Final answer
x = 21,235,594.60
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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.