Finding the Fourth Proportional to 271,596,687.88, 407,391,040.14 and 67,124,780.68
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Solution
The fourth proportional to 271,596,687.88, 407,391,040.14 and 67,124,780.68 is: 100,686,184.48
Step by Step Solution
- Step 1: Write the proportion equation
271,596,687.88 : 407,391,040.14 = 67,124,780.68 : x - Step 2: Convert to fraction form
271,596,687.88/407,391,040.14 = 67,124,780.68/x - Step 3: Cross multiply
271,596,687.88x = 407,391,040.14 × 67,124,780.68 - Step 4: Simplify right side
271,596,687.88x = 27,346,034,220,394,580 - Step 5: Solve for x
x = 27,346,034,220,394,580/271,596,687.88 - Step 6: Final answer
x = 100,686,184.48
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.