Finding the Fourth Proportional to 201,852,490.13, 278,556,548.51 and 109,032,998.75
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Solution
The fourth proportional to 201,852,490.13, 278,556,548.51 and 109,032,998.75 is: 150,465,598.84
Step by Step Solution
- Step 1: Write the proportion equation
201,852,490.13 : 278,556,548.51 = 109,032,998.75 : x - Step 2: Convert to fraction form
201,852,490.13/278,556,548.51 = 109,032,998.75/x - Step 3: Cross multiply
201,852,490.13x = 278,556,548.51 × 109,032,998.75 - Step 4: Simplify right side
201,852,490.13x = 30,371,855,805,495,144 - Step 5: Solve for x
x = 30,371,855,805,495,144/201,852,490.13 - Step 6: Final answer
x = 150,465,598.84
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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.