Finding the Fourth Proportional to 71,694,986,524.99, 98,983,740,869.91 and 45,638,059,510.69
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Solution
The fourth proportional to 71,694,986,524.99, 98,983,740,869.91 and 45,638,059,510.69 is: 63,008,950,491.08
Step by Step Solution
- Step 1: Write the proportion equation
71,694,986,524.99 : 98,983,740,869.91 = 45,638,059,510.69 : x - Step 2: Convert to fraction form
71,694,986,524.99/98,983,740,869.91 = 45,638,059,510.69/x - Step 3: Cross multiply
71,694,986,524.99x = 98,983,740,869.91 × 45,638,059,510.69 - Step 4: Simplify right side
71,694,986,524.99x = 4,517,425,856,411,671,199,744 - Step 5: Solve for x
x = 4,517,425,856,411,671,199,744/71,694,986,524.99 - Step 6: Final answer
x = 63,008,950,491.08
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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.