Finding the Fourth Proportional to 269,527,878, 371,948,471.37 and 145,768,554.99
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Solution
The fourth proportional to 269,527,878, 371,948,471.37 and 145,768,554.99 is: 201,160,605.74
Step by Step Solution
- Step 1: Write the proportion equation
269,527,878 : 371,948,471.37 = 145,768,554.99 : x - Step 2: Convert to fraction form
269,527,878/371,948,471.37 = 145,768,554.99/x - Step 3: Cross multiply
269,527,878x = 371,948,471.37 × 145,768,554.99 - Step 4: Simplify right side
269,527,878x = 54,218,391,202,344,288 - Step 5: Solve for x
x = 54,218,391,202,344,288/269,527,878 - Step 6: Final answer
x = 201,160,605.74
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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.