Finding the Fourth Proportional to 107,438,276.30, 161,157,414.45 and 107,438,276.30
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Solution
The fourth proportional to 107,438,276.30, 161,157,414.45 and 107,438,276.30 is: 161,157,414.45
Step by Step Solution
- Step 1: Write the proportion equation
107,438,276.30 : 161,157,414.45 = 107,438,276.30 : x - Step 2: Convert to fraction form
107,438,276.30/161,157,414.45 = 107,438,276.30/x - Step 3: Cross multiply
107,438,276.30x = 161,157,414.45 × 107,438,276.30 - Step 4: Simplify right side
107,438,276.30x = 17,314,474,821,472,710 - Step 5: Solve for x
x = 17,314,474,821,472,710/107,438,276.30 - Step 6: Final answer
x = 161,157,414.45
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.