Finding the Fourth Proportional to 103,807,739.28, 143,248,892.04 and 57,395,205.84
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Solution
The fourth proportional to 103,807,739.28, 143,248,892.04 and 57,395,205.84 is: 79,202,183.79
Step by Step Solution
- Step 1: Write the proportion equation
103,807,739.28 : 143,248,892.04 = 57,395,205.84 : x - Step 2: Convert to fraction form
103,807,739.28/143,248,892.04 = 57,395,205.84/x - Step 3: Cross multiply
103,807,739.28x = 143,248,892.04 × 57,395,205.84 - Step 4: Simplify right side
103,807,739.28x = 8,221,799,644,987,738 - Step 5: Solve for x
x = 8,221,799,644,987,738/103,807,739.28 - Step 6: Final answer
x = 79,202,183.79
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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.