Finding the Fourth Proportional to 107,905,610.40, 161,858,415.60 and 35,129,248.80
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Solution
The fourth proportional to 107,905,610.40, 161,858,415.60 and 35,129,248.80 is: 52,693,873.20
Step by Step Solution
- Step 1: Write the proportion equation
107,905,610.40 : 161,858,415.60 = 35,129,248.80 : x - Step 2: Convert to fraction form
107,905,610.40/161,858,415.60 = 35,129,248.80/x - Step 3: Cross multiply
107,905,610.40x = 161,858,415.60 × 35,129,248.80 - Step 4: Simplify right side
107,905,610.40x = 5,685,964,551,986,201 - Step 5: Solve for x
x = 5,685,964,551,986,201/107,905,610.40 - Step 6: Final answer
x = 52,693,873.20
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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.