Finding the Fourth Proportional to 195,764,967.36, 270,149,471.04 and 107,658,693.12
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Solution
The fourth proportional to 195,764,967.36, 270,149,471.04 and 107,658,693.12 is: 148,565,595.73
Step by Step Solution
- Step 1: Write the proportion equation
195,764,967.36 : 270,149,471.04 = 107,658,693.12 : x - Step 2: Convert to fraction form
195,764,967.36/270,149,471.04 = 107,658,693.12/x - Step 3: Cross multiply
195,764,967.36x = 270,149,471.04 × 107,658,693.12 - Step 4: Simplify right side
195,764,967.36x = 29,083,938,999,225,692 - Step 5: Solve for x
x = 29,083,938,999,225,692/195,764,967.36 - Step 6: Final answer
x = 148,565,595.73
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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.