Finding the Fourth Proportional to 220,169,131.80, 330,466,274.10 and 134,075,689.80
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Solution
The fourth proportional to 220,169,131.80, 330,466,274.10 and 134,075,689.80 is: 201,242,986.67
Step by Step Solution
- Step 1: Write the proportion equation
220,169,131.80 : 330,466,274.10 = 134,075,689.80 : x - Step 2: Convert to fraction form
220,169,131.80/330,466,274.10 = 134,075,689.80/x - Step 3: Cross multiply
220,169,131.80x = 330,466,274.10 × 134,075,689.80 - Step 4: Simplify right side
220,169,131.80x = 44,307,493,655,593,376 - Step 5: Solve for x
x = 44,307,493,655,593,376/220,169,131.80 - Step 6: Final answer
x = 201,242,986.67
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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.