Finding the Fourth Proportional to 269,139,079.19, 371,412,092.04 and 145,379,810.99
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Solution
The fourth proportional to 269,139,079.19, 371,412,092.04 and 145,379,810.99 is: 200,624,227.08
Step by Step Solution
- Step 1: Write the proportion equation
269,139,079.19 : 371,412,092.04 = 145,379,810.99 : x - Step 2: Convert to fraction form
269,139,079.19/371,412,092.04 = 145,379,810.99/x - Step 3: Cross multiply
269,139,079.19x = 371,412,092.04 × 145,379,810.99 - Step 4: Simplify right side
269,139,079.19x = 53,995,819,740,175,688 - Step 5: Solve for x
x = 53,995,819,740,175,688/269,139,079.19 - Step 6: Final answer
x = 200,624,227.08
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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.