Finding the Fourth Proportional to 49,075,935.90, 67,729,830.39 and 29,503,160.70
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Solution
The fourth proportional to 49,075,935.90, 67,729,830.39 and 29,503,160.70 is: 40,717,390.99
Step by Step Solution
- Step 1: Write the proportion equation
49,075,935.90 : 67,729,830.39 = 29,503,160.70 : x - Step 2: Convert to fraction form
49,075,935.90/67,729,830.39 = 29,503,160.70/x - Step 3: Cross multiply
49,075,935.90x = 67,729,830.39 × 29,503,160.70 - Step 4: Simplify right side
49,075,935.90x = 1,998,244,070,179,913.75 - Step 5: Solve for x
x = 1,998,244,070,179,913.75/49,075,935.90 - Step 6: Final answer
x = 40,717,390.99
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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.