Finding the Fourth Proportional to 269,715,282.06, 372,207,090.57 and 145,955,960.40
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Solution
The fourth proportional to 269,715,282.06, 372,207,090.57 and 145,955,960.40 is: 201,419,226.07
Step by Step Solution
- Step 1: Write the proportion equation
269,715,282.06 : 372,207,090.57 = 145,955,960.40 : x - Step 2: Convert to fraction form
269,715,282.06/372,207,090.57 = 145,955,960.40/x - Step 3: Cross multiply
269,715,282.06x = 372,207,090.57 × 145,955,960.40 - Step 4: Simplify right side
269,715,282.06x = 54,325,843,371,834,136 - Step 5: Solve for x
x = 54,325,843,371,834,136/269,715,282.06 - Step 6: Final answer
x = 201,419,226.07
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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.