Finding the Fourth Proportional to 106,557,608.28, 147,048,958.80 and 57,665,036.28
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Solution
The fourth proportional to 106,557,608.28, 147,048,958.80 and 57,665,036.28 is: 79,577,457.50
Step by Step Solution
- Step 1: Write the proportion equation
106,557,608.28 : 147,048,958.80 = 57,665,036.28 : x - Step 2: Convert to fraction form
106,557,608.28/147,048,958.80 = 57,665,036.28/x - Step 3: Cross multiply
106,557,608.28x = 147,048,958.80 × 57,665,036.28 - Step 4: Simplify right side
106,557,608.28x = 8,479,583,544,138,226 - Step 5: Solve for x
x = 8,479,583,544,138,226/106,557,608.28 - Step 6: Final answer
x = 79,577,457.50
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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.