Finding the Fourth Proportional to 108,485,192.62, 149,667,373.29 and 61,431,464.62
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Solution
The fourth proportional to 108,485,192.62, 149,667,373.29 and 61,431,464.62 is: 84,751,528.99
Step by Step Solution
- Step 1: Write the proportion equation
108,485,192.62 : 149,667,373.29 = 61,431,464.62 : x - Step 2: Convert to fraction form
108,485,192.62/149,667,373.29 = 61,431,464.62/x - Step 3: Cross multiply
108,485,192.62x = 149,667,373.29 × 61,431,464.62 - Step 4: Simplify right side
108,485,192.62x = 9,194,285,947,032,968 - Step 5: Solve for x
x = 9,194,285,947,032,968/108,485,192.62 - Step 6: Final answer
x = 84,751,528.99
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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.