Finding the Fourth Proportional to 55,125,230.49, 82,688,722.65 and 30,688,478.42
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Solution
The fourth proportional to 55,125,230.49, 82,688,722.65 and 30,688,478.42 is: 46,033,205.81
Step by Step Solution
- Step 1: Write the proportion equation
55,125,230.49 : 82,688,722.65 = 30,688,478.42 : x - Step 2: Convert to fraction form
55,125,230.49/82,688,722.65 = 30,688,478.42/x - Step 3: Cross multiply
55,125,230.49x = 82,688,722.65 × 30,688,478.42 - Step 4: Simplify right side
55,125,230.49x = 2,537,591,080,208,446.50 - Step 5: Solve for x
x = 2,537,591,080,208,446.50/55,125,230.49 - Step 6: Final answer
x = 46,033,205.81
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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.