Finding the Fourth Proportional to 56,594,161.80, 84,891,242.70 and 20,219,977.80
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Solution
The fourth proportional to 56,594,161.80, 84,891,242.70 and 20,219,977.80 is: 30,329,966.70
Step by Step Solution
- Step 1: Write the proportion equation
56,594,161.80 : 84,891,242.70 = 20,219,977.80 : x - Step 2: Convert to fraction form
56,594,161.80/84,891,242.70 = 20,219,977.80/x - Step 3: Cross multiply
56,594,161.80x = 84,891,242.70 × 20,219,977.80 - Step 4: Simplify right side
56,594,161.80x = 1,716,499,042,808,412.25 - Step 5: Solve for x
x = 1,716,499,042,808,412.25/56,594,161.80 - Step 6: Final answer
x = 30,329,966.70
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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.