Finding the Fourth Proportional to 79,053,943.40, 118,408,212.97 and 32,855,744.33
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Solution
The fourth proportional to 79,053,943.40, 118,408,212.97 and 32,855,744.33 is: 49,211,839.47
Step by Step Solution
- Step 1: Write the proportion equation
79,053,943.40 : 118,408,212.97 = 32,855,744.33 : x - Step 2: Convert to fraction form
79,053,943.40/118,408,212.97 = 32,855,744.33/x - Step 3: Cross multiply
79,053,943.40x = 118,408,212.97 × 32,855,744.33 - Step 4: Simplify right side
79,053,943.40x = 3,890,389,971,914,509.50 - Step 5: Solve for x
x = 3,890,389,971,914,509.50/79,053,943.40 - Step 6: Final answer
x = 49,211,839.47
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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.