Finding the Fourth Proportional to 201,852,361.49, 278,556,370.81 and 109,032,869.84
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Solution
The fourth proportional to 201,852,361.49, 278,556,370.81 and 109,032,869.84 is: 150,465,420.85
Step by Step Solution
- Step 1: Write the proportion equation
201,852,361.49 : 278,556,370.81 = 109,032,869.84 : x - Step 2: Convert to fraction form
201,852,361.49/278,556,370.81 = 109,032,869.84/x - Step 3: Cross multiply
201,852,361.49x = 278,556,370.81 × 109,032,869.84 - Step 4: Simplify right side
201,852,361.49x = 30,371,800,519,964,140 - Step 5: Solve for x
x = 30,371,800,519,964,140/201,852,361.49 - Step 6: Final answer
x = 150,465,420.85
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.