Finding the Fourth Proportional to 98,124,158.88, 135,412,247.27 and 54,072,734.09
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Solution
The fourth proportional to 98,124,158.88, 135,412,247.27 and 54,072,734.09 is: 74,620,873.42
Step by Step Solution
- Step 1: Write the proportion equation
98,124,158.88 : 135,412,247.27 = 54,072,734.09 : x - Step 2: Convert to fraction form
98,124,158.88/135,412,247.27 = 54,072,734.09/x - Step 3: Cross multiply
98,124,158.88x = 135,412,247.27 × 54,072,734.09 - Step 4: Simplify right side
98,124,158.88x = 7,322,110,439,160,039 - Step 5: Solve for x
x = 7,322,110,439,160,039/98,124,158.88 - Step 6: Final answer
x = 74,620,873.42
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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.