Finding the Fourth Proportional to 269,610,812.31, 372,062,110.08 and 145,851,455.19
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Solution
The fourth proportional to 269,610,812.31, 372,062,110.08 and 145,851,455.19 is: 201,274,569.49
Step by Step Solution
- Step 1: Write the proportion equation
269,610,812.31 : 372,062,110.08 = 145,851,455.19 : x - Step 2: Convert to fraction form
269,610,812.31/372,062,110.08 = 145,851,455.19/x - Step 3: Cross multiply
269,610,812.31x = 372,062,110.08 × 145,851,455.19 - Step 4: Simplify right side
269,610,812.31x = 54,265,800,176,229,960 - Step 5: Solve for x
x = 54,265,800,176,229,960/269,610,812.31 - Step 6: Final answer
x = 201,274,569.49
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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.