Finding the Fourth Proportional to 64,672,385.80, 97,008,578.70 and 56,169,329.80
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Solution
The fourth proportional to 64,672,385.80, 97,008,578.70 and 56,169,329.80 is: 84,253,994.70
Step by Step Solution
- Step 1: Write the proportion equation
64,672,385.80 : 97,008,578.70 = 56,169,329.80 : x - Step 2: Convert to fraction form
64,672,385.80/97,008,578.70 = 56,169,329.80/x - Step 3: Cross multiply
64,672,385.80x = 97,008,578.70 × 56,169,329.80 - Step 4: Simplify right side
64,672,385.80x = 5,448,906,850,429,555 - Step 5: Solve for x
x = 5,448,906,850,429,555/64,672,385.80 - Step 6: Final answer
x = 84,253,994.70
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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.