Finding the Fourth Proportional to 51,480,391.87, 71,047,322.08 and 29,157,348.74
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Solution
The fourth proportional to 51,480,391.87, 71,047,322.08 and 29,157,348.74 is: 40,239,622.73
Step by Step Solution
- Step 1: Write the proportion equation
51,480,391.87 : 71,047,322.08 = 29,157,348.74 : x - Step 2: Convert to fraction form
51,480,391.87/71,047,322.08 = 29,157,348.74/x - Step 3: Cross multiply
51,480,391.87x = 71,047,322.08 × 29,157,348.74 - Step 4: Simplify right side
51,480,391.87x = 2,071,551,546,929,662 - Step 5: Solve for x
x = 2,071,551,546,929,662/51,480,391.87 - Step 6: Final answer
x = 40,239,622.73
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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.