Finding the Fourth Proportional to 44,352,938.60, 66,529,407.90 and 29,992,221.80
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Solution
The fourth proportional to 44,352,938.60, 66,529,407.90 and 29,992,221.80 is: 44,988,332.70
Step by Step Solution
- Step 1: Write the proportion equation
44,352,938.60 : 66,529,407.90 = 29,992,221.80 : x - Step 2: Convert to fraction form
44,352,938.60/66,529,407.90 = 29,992,221.80/x - Step 3: Cross multiply
44,352,938.60x = 66,529,407.90 × 29,992,221.80 - Step 4: Simplify right side
44,352,938.60x = 1,995,364,757,959,472.25 - Step 5: Solve for x
x = 1,995,364,757,959,472.25/44,352,938.60 - Step 6: Final answer
x = 44,988,332.70
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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.