Finding the Fourth Proportional to 201,852,354.74, 278,556,361.49 and 109,032,863.09
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Solution
The fourth proportional to 201,852,354.74, 278,556,361.49 and 109,032,863.09 is: 150,465,411.53
Step by Step Solution
- Step 1: Write the proportion equation
201,852,354.74 : 278,556,361.49 = 109,032,863.09 : x - Step 2: Convert to fraction form
201,852,354.74/278,556,361.49 = 109,032,863.09/x - Step 3: Cross multiply
201,852,354.74x = 278,556,361.49 × 109,032,863.09 - Step 4: Simplify right side
201,852,354.74x = 30,371,797,624,067,516 - Step 5: Solve for x
x = 30,371,797,624,067,516/201,852,354.74 - Step 6: Final answer
x = 150,465,411.53
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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.