Finding the Fourth Proportional to 75,810,280.68, 113,416,219.98 and 57,419,204.40
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Solution
The fourth proportional to 75,810,280.68, 113,416,219.98 and 57,419,204.40 is: 85,902,189.77
Step by Step Solution
- Step 1: Write the proportion equation
75,810,280.68 : 113,416,219.98 = 57,419,204.40 : x - Step 2: Convert to fraction form
75,810,280.68/113,416,219.98 = 57,419,204.40/x - Step 3: Cross multiply
75,810,280.68x = 113,416,219.98 × 57,419,204.40 - Step 4: Simplify right side
75,810,280.68x = 6,512,269,117,306,984 - Step 5: Solve for x
x = 6,512,269,117,306,984/75,810,280.68 - Step 6: Final answer
x = 85,902,189.77
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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.