Finding the Fourth Proportional to 98,124,159.11, 135,412,247.61 and 54,072,734.36
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Solution
The fourth proportional to 98,124,159.11, 135,412,247.61 and 54,072,734.36 is: 74,620,873.80
Step by Step Solution
- Step 1: Write the proportion equation
98,124,159.11 : 135,412,247.61 = 54,072,734.36 : x - Step 2: Convert to fraction form
98,124,159.11/135,412,247.61 = 54,072,734.36/x - Step 3: Cross multiply
98,124,159.11x = 135,412,247.61 × 54,072,734.36 - Step 4: Simplify right side
98,124,159.11x = 7,322,110,493,429,014 - Step 5: Solve for x
x = 7,322,110,493,429,014/98,124,159.11 - Step 6: Final answer
x = 74,620,873.80
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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.