Finding the Fourth Proportional to 71,755,381,674.79, 107,608,147,264.98 and 39,932,617,535.84
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Solution
The fourth proportional to 71,755,381,674.79, 107,608,147,264.98 and 39,932,617,535.84 is: 59,885,055,143.99
Step by Step Solution
- Step 1: Write the proportion equation
71,755,381,674.79 : 107,608,147,264.98 = 39,932,617,535.84 : x - Step 2: Convert to fraction form
71,755,381,674.79/107,608,147,264.98 = 39,932,617,535.84/x - Step 3: Cross multiply
71,755,381,674.79x = 107,608,147,264.98 × 39,932,617,535.84 - Step 4: Simplify right side
71,755,381,674.79x = 4,297,074,988,473,009,045,504 - Step 5: Solve for x
x = 4,297,074,988,473,009,045,504/71,755,381,674.79 - Step 6: Final answer
x = 59,885,055,143.99
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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.