Finding the Fourth Proportional to 201,852,473.38, 278,556,525.39 and 109,032,982
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Solution
The fourth proportional to 201,852,473.38, 278,556,525.39 and 109,032,982 is: 150,465,575.73
Step by Step Solution
- Step 1: Write the proportion equation
201,852,473.38 : 278,556,525.39 = 109,032,982 : x - Step 2: Convert to fraction form
201,852,473.38/278,556,525.39 = 109,032,982/x - Step 3: Cross multiply
201,852,473.38x = 278,556,525.39 × 109,032,982 - Step 4: Simplify right side
201,852,473.38x = 30,371,848,618,830,412 - Step 5: Solve for x
x = 30,371,848,618,830,412/201,852,473.38 - Step 6: Final answer
x = 150,465,575.73
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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.