Finding the Fourth Proportional to 67,980,217.20, 101,970,325.80 and 58,733,143.80
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Solution
The fourth proportional to 67,980,217.20, 101,970,325.80 and 58,733,143.80 is: 88,099,715.70
Step by Step Solution
- Step 1: Write the proportion equation
67,980,217.20 : 101,970,325.80 = 58,733,143.80 : x - Step 2: Convert to fraction form
67,980,217.20/101,970,325.80 = 58,733,143.80/x - Step 3: Cross multiply
67,980,217.20x = 101,970,325.80 × 58,733,143.80 - Step 4: Simplify right side
67,980,217.20x = 5,989,037,808,544,250 - Step 5: Solve for x
x = 5,989,037,808,544,250/67,980,217.20 - Step 6: Final answer
x = 88,099,715.70
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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.