Finding the Fourth Proportional to 205,609,172.02, 283,744,506.87 and 126,184,422.67
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Solution
The fourth proportional to 205,609,172.02, 283,744,506.87 and 126,184,422.67 is: 174,136,865.75
Step by Step Solution
- Step 1: Write the proportion equation
205,609,172.02 : 283,744,506.87 = 126,184,422.67 : x - Step 2: Convert to fraction form
205,609,172.02/283,744,506.87 = 126,184,422.67/x - Step 3: Cross multiply
205,609,172.02x = 283,744,506.87 × 126,184,422.67 - Step 4: Simplify right side
205,609,172.02x = 35,804,136,784,465,440 - Step 5: Solve for x
x = 35,804,136,784,465,440/205,609,172.02 - Step 6: Final answer
x = 174,136,865.75
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.