Finding the Fourth Proportional to 205,417,586.46, 283,310,977.68 and 180,584,677.20
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Solution
The fourth proportional to 205,417,586.46, 283,310,977.68 and 180,584,677.20 is: 249,061,544.99
Step by Step Solution
- Step 1: Write the proportion equation
205,417,586.46 : 283,310,977.68 = 180,584,677.20 : x - Step 2: Convert to fraction form
205,417,586.46/283,310,977.68 = 180,584,677.20/x - Step 3: Cross multiply
205,417,586.46x = 283,310,977.68 × 180,584,677.20 - Step 4: Simplify right side
205,417,586.46x = 51,161,621,451,559,200 - Step 5: Solve for x
x = 51,161,621,451,559,200/205,417,586.46 - Step 6: Final answer
x = 249,061,544.99
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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.