Finding the Fourth Proportional to 57,287,988.27, 85,931,140.95 and 14,157,190.62
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Solution
The fourth proportional to 57,287,988.27, 85,931,140.95 and 14,157,190.62 is: 21,235,577.99
Step by Step Solution
- Step 1: Write the proportion equation
57,287,988.27 : 85,931,140.95 = 14,157,190.62 : x - Step 2: Convert to fraction form
57,287,988.27/85,931,140.95 = 14,157,190.62/x - Step 3: Cross multiply
57,287,988.27x = 85,931,140.95 × 14,157,190.62 - Step 4: Simplify right side
57,287,988.27x = 1,216,543,542,623,237.75 - Step 5: Solve for x
x = 1,216,543,542,623,237.75/57,287,988.27 - Step 6: Final answer
x = 21,235,577.99
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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.