Finding the Fourth Proportional to 79,778,858.70, 119,672,224.65 and 41,515,106.70
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Solution
The fourth proportional to 79,778,858.70, 119,672,224.65 and 41,515,106.70 is: 62,274,708.57
Step by Step Solution
- Step 1: Write the proportion equation
79,778,858.70 : 119,672,224.65 = 41,515,106.70 : x - Step 2: Convert to fraction form
79,778,858.70/119,672,224.65 = 41,515,106.70/x - Step 3: Cross multiply
79,778,858.70x = 119,672,224.65 × 41,515,106.70 - Step 4: Simplify right side
79,778,858.70x = 4,968,205,175,371,121 - Step 5: Solve for x
x = 4,968,205,175,371,121/79,778,858.70 - Step 6: Final answer
x = 62,274,708.57
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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.